Year 2022
Wente's graduation party
Wente successfully finished his PhD career.He will start a new journey in the bay area.
2022 Materials Research Society (MRS) Spring Meeting in Honolulu
![](photos/2022_MRS_Spring_1.png)
Alex is presenting his research!
![](photos/2022_MRS_Spring_2.jpg)
Gathering with Dr. Jaekwang, our former group member and now professor at Pusan National University!
![](photos/2022_MRS_Spring_3.jpg)
![](photos/2022_MRS_Spring_4.jpg)
Year 2021
2021 International Workshop on Oxide Electronics in Genoa, Italy
This is a splendid meeting room.
![](photos/Genoa_2021_2.jpg)
2021 Materials Research Society (MRS) Meeting in Boston, MA
Alex and Agham chatted with old friend Dr. Rytis Dargis, who was our group's first lab manager.![](photos/2021_MRS_1.jpg)
Tess's graduation party
We finally have the graduation party in Alex's house.Best wishes to your future career in Austin, Tess!
![](photos/Tess_party.jpg)
Wei's virtual graduation party
Alex has a new look today :-)Wei will go to a startup in Shanghai. Congratulations.
![](photos/Wei_2.png)
Demkov's group members chat online.
![](photos/Wei_3.png)
Wei's final defense
Let's celebrate Wei's successful PhD defense! Wei was introducing our MBE system.![](photos/Wei_defense.png)
Year 2020
Tobi's virtual graduation party
Congratulations, Dr Hadamek! We have two Tobi in the screen. Do you know who is real :-)![](photos/Tobi_Party.png)
Year 2019
Ali's graduation party
Ali's parents, group memerbs and Pushkin celebrate Ali's graduation!![Group photo at the party!](photos/Ali_Party.jpg)
Group photo at the party!
Ali's final defense
Congratulations Ali! Hope everything goes well in Boston!![Ali with his committee before the defense.](photos/Ali_Before.jpg)
Ali and his committee before his defense. From left to right: Prof. Downer, Prof. Ekerdt, Prof. Chelikowsky, Prof. Demkov, Dr. Ali and Prof. Qian Niu.
![Ali with his committee after the defense.](photos/Ali_After.jpg)
Ali and his committee after his defense.
Donghan's graduation party
Congratulations Donghan, best of luck!![Donghan with his wife and son.](photos/donghan_party_family.jpg)
Donghan's son got to blow out the candles for Donghan's celebratory cake!
![Donghan, his family, Tobi, and Alex laughing.](photos/donghan_party_laughing.jpg)
Laughs from Tobi, Alex, and Donghan's family.
![Agham, Lauren, Marc, and Ali smiling.](photos/donghan_party_alma.jpg)
Agham, Lauren, Marc, and Ali smiling on the other end of the table.
![Group photo at the party!](photos/donghan_party_group.jpg)
Group photo at the end of the party!
Donghan's final defense
Congratulations Donghan!![Donghan with his committee before the defense.](photos/donghan_defense_before.jpg)
Donghan and his committee before his defense. From left to right: Alex, Donghan, Keiji Lai, and John Ekerdt.
![Donghan with his committee after the defense.](photos/donghan_defense_after.jpg)
Donghan and his committee after his defense.
New DCA reactor!
![New reactor for crystal growth from DCA.](photos/new_reactor.jpg)
A new tool in the Demkov groups crystal growing arsenal, this new reactor features 3 magnetrons!
![New reactor for crystal growth from DCA.](photos/new_reactor_aam.jpg)
Alex and Agham are excited about the possibilities this opens up!
![New reactor for crystal growth from DCA.](photos/new_reactor_amn.jpg)
Elliott's graduation party
![Group members and family and friends at Elliott's graduation party.](photos/elliott_party.jpg)
Demkov group members and family and friends celebrating Elliot's gradution.
Elliott and his committee for the final defense
Congrats, Elliott!![Elliott and his committee](photos/elliott_committee.jpg)
From left to right: Maxim Tsoi, John Ekerdt, Alex Demkov, Elliott Ortmann, and Keiji Lai.
The Demkov Group at the 2019 APS March Meeting
A big snow storm kicked off the meeting this year!![Snow on trees and buildings in Boston, MA.](photos/aps_2019_snow.jpg)
Group dinner with Demkov group alumnis Andy O'Hara and Chungwei Lin!
![The Demkov group and sitting around a large table for dinner.](photos/aps_2019_dinner.jpg)
Wei giving his talk on STO flakes.
![Wei next to a projection screen with one of the slides from his talk.](photos/aps_2019_talks_wei.jpg)
Agham giving his talk on VO.
![Agham next to a projection screen with one of the slides from his talk.](photos/aps_2019_talks_agham.jpg)
Donghan giving his talk on electron pairing in graphene on STO via remote-phonon scattering.
![Donghan next to a projection screen with one of the slides from his talk.](photos/aps_2019_talks_donghan.jpg)
Ali giving his talk on the search for a design rule for strong Pockels active materials.
![Ali next to a projection screen with one of the slides from his talk.](photos/aps_2019_talks_ali.jpg)
Year 2018
2018 December Group Photo
![](photos/group_2018.jpg)
Alex's Korea Trip
Alex traveled to Korea for the Korean Physical Society meeting and an Oxides Workshop!Dinner with Demkov group alumni Jaekwang (middle) and Hosung (right).
![Dinner with Jaekwang and Hosung.](photos/alex_korea2018_jaekwang_hosung.jpg)
Alex answering questions after his talk at the KPS meeting.
![Alex answering questions at the KPS meeting.](photos/alex_korea2018_kps.jpg)
Group photo at the 2nd Workshop on Functional Materials Science.
![Group photo at the oxides workshop.](photos/alex_korea2018_oxidews_group_busan.jpg)
Banquet with Jaekwang, Hosung, and some of their students.
![Banquet with Alex's former students and their current students.](photos/alex_korea2018_students_grandstudents.jpg)
International Workshop on Oxides in Electronics
Can you find Alex in this group picture? Full resolution picture here.![Alex at 2018 IWOE.](photos/iwoe_2018.jpg)
Lingyuan's Graduation Party!
Congratulations, Lingyuan! Here are some pictures from the party.Demkov group members family, partners, and even some potential recruits.
![Demkov group members/recruits and family/partners.](photos/lingyuan_party_group.jpg)
Donhan, Wente, Wei, and Marc hanging out.
![Donghan, Wente, Wei, and Marc.](photos/lingyuan_party_DH_W_W_M.jpg)
Mingling at the party.
![Mingling at the party 1.](photos/lingyuan_party_mingle1.jpg)
![Mingling at the party 2.](photos/lingyuan_party_mingle2.jpg)
Lingyuan's Defense
Congratulations on your successful defense, Lingyuan, and best of luck in the future!Here are Lingyuan and his committee before, during, and after the defense. Not pictured: Graeme Henkelman, attending remotely.
From left to right: Keji Lai, Lingyuan, Jim Chelikowsky, Allan MacDonald, and Alex.
![Keji Lai, Lingyuan, Jim Chelikowsky, Allan MacDonald, and Alex.](photos/lingyuan_def_before.jpg)
The talk begins.
![Lingyuan beginning his talk.](photos/lingyuan_def_during.jpg)
Success! From left to right: Keji Lai, Jim Chelikowsky, Lingyuan, Allan MacDonald, and Alex.
![Keji Lai, Lingyuan, Jim Chelikowsky, Allan MacDonald, and Alex.](photos/lingyuan_def_after.jpg)
Practical Quantum Mechanics for Electronic Materials workshop
From left to right: Marvin Cohen, Jim Phillips, Wente, and Alex at the Practical Quantum Mechanics for Electronic Materials workshop held for Demkov group friend and collaborator Jim Chelikowsky's 70th birthday.Happy birthday Jim!
![Marvin Cohen, Jim Phillips, Wente, and Alex.](photos/mc_jp_wente_alex.jpg)
Dissertation Award
Patrick was awarded the Departmental Outstanding Disseration Award for 2017-2018 when he graduated last summer. Congratulations, Patrick!![Patrick's outstanding disseration award.](photos/patrick_dissertation.png)
Zurich
Alex visited Zurich where Marc, Jackie, and Elliott are currently working as part of the IRES program:Marc, Alex, and Jackie:
![Marc, Alex, and Jackie.](photos/marc_alex_jackie_switzerland.jpg)
APS March Meeting, 2018
Photos from a very busy March Meeting for the Demkov group!Agham giving his talk:
![Agham giving his talk.](photos/aps_2018_talks_agham.jpeg)
Donghan giving his talk:
![Donghan giving his talk.](photos/aps_2018_talks_donghan.jpeg)
Toby giving his talk:
![Toby giving his talk.](photos/aps_2018_talks_toby.jpeg)
Wei giving his talk:
![Wei giving his talk.](photos/aps_2018_talks_wei3.jpeg)
And here are photos from our group dinner/reunion!
Alex and Demkov group graduates Jaekwang and Hosung, and Jaekwang's students.
From left to right, Jaekwang, Taewon, Sera, Jinho, Hosung and Alex.
Demkov group graduates Hosung and Chungwei and current student Wente:
Demkov group graduates Andy and Kurt and current student Lingyuan:
Demkov group collaborator Stefan Abel, student Wei, and graduate Jaekwang:
Alex and the grand students, Jinho, Sera, and Taewon:
![Alex and the grand students.](photos/aps_2018_alex_grand_students.png)
Year 2017
Demkov group, December 2017
We've added a few new members (see the People page!), but here was the group for most of 2017.![The Demkov Group Members](photos/group_dec_2016.jpg)
WINDS Conference 2017
Alex was invited to give a talk at this years WINDS conference in Hawaii.![](photos/winds_2017_1.jpg)
![](photos/winds_2017_2.jpg)
Colloquium at Washington University St. Louis
Alex visited Washington University St. Louis to give a colloqium in November 2017.![](photos/wustl.jpg)
Alex and Anders Carlson in front of Otto Sankey's office from when he was a graduate student.
Otto Sankey is Alex's academic father and the academic grandfather of Demkov group graduates.
![](photos/wustl_otto_sankey_office.jpg)
Alex and Anders in front of Peter Fedder's office. Peter was Otto's advisor, so he was Alex's academic grandfather.
![](photos/wustl_alex_peter_fedders_office.jpg)
IBM Zurich Dinner
From left to right: Stefan Abel, Jackie, Alex, Jean Fompeyrine, Chiara Marchiori, another IBM fellow.![](photos/ibm_dinner_2017.jpg)
Patrick's graduation party
Best of luck in the future, Patrick.![](photos/patrick_party_group.jpg)
![](photos/patrick_party_lingyuanweied.jpg)
![](photos/patrick_party_toby.jpg)
![](photos/hi_andy.jpg)
Patrick's PhD defense
Patrick with the committee, before. From left to right:Alex De Lozanne, Maxim Tsoi, Patrick Ponath, Alex Demkov, and Keiji Lai.
![](photos/patrick_before.jpg)
Congrats, Patrick!
![](photos/patrick_handshake.jpg)
After the defense, bigger smiles from everyone:
![](photos/patrick_after.jpg)
Kristy's graduation party!
Best of luck at your new position at Intel, Kristy!![](photos/kristy_party1.png)
![](photos/kristy_party2.png)
![](photos/kristy_party3.png)
Kristy's PhD defense!
Kristy and her committee. From left to right:Maxim Tsoi, Keiji Lai, Alex Demkov, Kristy Kormondy, Alex de Lozanne, and John Eckerdt.
![](photos/kristy_committee.jpg)
Kristy during the presentation.
![](photos/kristy_presentation.jpg)
APS March meeting, 2017
Ali, Andy, Alex, and Kristy at the APS March meeting reception.![](photos/aps_2017_aadk.jpg)
Current and former member dinner. From left to right: Chungwei, Agham, Patrick, Donghan, Ali, Lingyuan, Alex, and Kristy.
![](photos/aps_2017_dinnert.jpg)
Patrick giving his talk.
![](photos/aps_2017_patrick.jpg)
Demkov group alumni Andy and Hosung with Alex.
![](photos/aps_2017_haa.jpg)
Alex at the FIAP dinner.
![](photos/aps_2017_fiap.jpg)
Year 2016
PHD defense, Université de recherché Paris Sciences et Lettres (December 2016).
Alex served as the President du Jury at a PHD defense at l'Université de recherché Paris Sciences et Lettres.![](photos/alex_paris_pres_jury_2.jpg)
Quite a bit colder in Paris than in Texas!
![](photos/alex_paris_pres_jury_1.jpg)
MBE 2016 Conference
Alex at MBE 2016 in Monpelier, France. (September, 2016).![](photos/alex_europe_mbe_september_montpelier.jpg)
Kristy and Patrick at MBE 2016 in Monpelier, France. (September, 2016).
![](photos/patrick_kristy_mbe_montpelier.jpg)
4th Workshop on Complex Oxides
Alex at the 4th Workshop on Complex Oxides in Porquerolles, France (June 13-17, 2016).![](photos/alex_4woco.jpg)
Demkov group, February 2016
![](photos/group_2016.jpg)
Year 2015
Chungwei's going away party
Chungwei's going away party before he leaves to start in his new position at the Mitsubishi Electric Research Laboratories.![](photos/CL_coffee2.jpg)
Kurt and Andy's graduation party
![](photos/party_andy_kurt.jpg)
![](photos/Kurt_etc.jpg)
![](photos/Andy_Co.jpg)
Kurt defends his PhD dissertation.
Kurt successfully defended his PhD in early August.![](photos/Kurt_defense.jpg)
![](photos/Kurt_Q&A.jpg)
![](photos/Kurt_committee.jpg)
Andy Defends his Ph.D. Dissertation
In mid-July, Andy succesfully defended his dissertation titled "Metal-Insulator Transitions in Transition Metal Oxides."![](photos/Andy_defense_talk.jpg)
Andy discussing the lattice stability of NbO2.
![](photos/Andy_committee.jpg)
Andy standing with his committee members after the completion of the talk and QA session.
Alex and Kristy at INFOS
This summer, Alex and Kristy attended the INFOS ("Insulating Films on Semiconductors") Conference in Udine, Italy.![](photos/INFOS_2015_1.jpg)
![](photos/INFOS_2015_3.jpg)
![](photos/INFOS_2015_4.jpg)
Chelikowsky and Demkov Groups
Computational theory members of the Chelikowsky and Demkov groups.![](photos/Demkov_Chelikowsky_Groups_2015.jpg)
Kristy and Kurt at E-MRS
Kristy, Kurt, and Alex attended the E-MRS (European chapter meeting of the Materials Research Society) held in Lille, France this May.![](photos/Lille-20150511-00134.jpg)
![](photos/Lille-20150511-00136.jpg)
APS March Meeting 2015
This year's APS March Meeting was held in San Antonio, TX (about 1.5 hours from the University of Texas).![](photos/windl_visit.jpg)
Prof. Windl (of The Ohio State University) came to visit one of the afternoons during the week.
Patrick Receives Young Scientist Award at PCSI 42
Patrick recieved one of the young scientists awards at PCSI 41 in Snowbird, Utah for his talk on "Carrier Density Modulation in Ge Heterostructure by Ferroelectric Switching."![](photos/patrick_ysa_pcsi42.jpg)
Year 2014
Celebrating the Completion of Tobi's Masters Thesis
![](photos/TobiMastersCoffee.jpg)
Demkov Group Photo from Fall 2014
![](photos/Group_2014_fall.jpg)
Kristy at IBM Zurich Research Lab
For the fall semester, Kristy traveled to the IBM Zurich Research Lab to spend several months working on optical device applications of complex transition metal oxides. While here, she was able to learn several new techniques needed for device fabrication utilizing samples that she grew in our lab.![](photos/kristy_zurich_01.jpg)
![](photos/kristy_zurich_02.jpg)
![](photos/kristy_zurich_03.jpg)
BerkeleyGW Workshop
In November, Andy traveled to Oakland, CA to attend the BerkeleyGW workshop to learn the latest updates to their code for calculating many-body corrections within density functional theory.![](photos/Berkeley_2014.jpg)
APS Publication Oversight Committee Meeting
As a committee member, Alex attended the APS POC meeting in Ridge, NY this October to help make recommendations for the operation of the society's publications.![](photos/APS_POC_oct2014.jpg)
Alex visits the Rice Professional Science Master's Nanoscale Physics program
In the fall, Alex gave a talk to the program's students about his experiences in physics throughout his career and insights into the semiconductor industry. The slides of Alex's talk can be found here![](photos/talk_at_rice.jpg)
Some Members of the Demkov group with Jim Chelikowsky's Group
![](photos/with_jims_group_2014.jpg)
The 32nd International Conference on the Physics of Semiconductors (ICPS) in Austin, TX
This years ICPS conference was hosted in Austin, TX by the University of Texas.![](photos/ICPS_01.jpg)
![](photos/ICPS_02.jpg)
![](photos/ICPS_03.jpg)
Miri's Thesis Defense
![](photos/Miri_PhD3.jpg)
![](photos/Miri_PhD4.jpg)
![](photos/Miri_PhD5.jpg)
The Demkov Group at the 2014 APS March Meeting in Denver, Co
Semiconductor Research Corp. (SRC) Grant Review in Santa Barbara, CA.
Year 2013
Demkov Group Photo from Fall 2013
![](photos/Group_2013_fall.jpg)
Hosung's Thesis Defense
![](photos/Hosung_2013_web.jpg)
![](photos/Hosung_party.jpg)
Alex Slepko's Thesis Defense
![](photos/Slepko_com.jpg)
![](photos/Slepko_party.jpg)
Alex at the ULSI vs. TFT Conference (Electrochemical Society) in Villard-de-Lance, France
![](photos/VdL_conference_web.jpg)
Alex at the Telluride Workshop on Emergent Physics in Correlated Oxides in Telluride, CO
![](photos/Telluride-web.jpg)
APS March Meeting in Baltimore
Alex Slepko won the Ken Hass Best Student Paper in Applied Physics from the Forum on Industrial and Applied Physics (FIAP)
![](photos/20130318_193957.jpg)
Year 2012
Alex at the II Workshop on the Physics of Complex Oxides in Mallorca, Spain
![](photos/Mallorca_web.jpg)
Demkov Group Photo from Fall 2012
![](photos/Group_2012aa.jpg)
Saying Farewell to Lukas after Completing his Master
![](photos/lukas_farewell_s.jpg)
Demkov Group Photo from Spring 2012
![](photos/Group_2012_s.jpg)
Installation of the ARPES to the Lab
![](photos/coffee.jpg)
Taking a coffee break between all the hard work.
![](photos/IMG_9059.JPG)
Working on the connecting the ARPES to the rest of the system.
Year 2011
Alex at the 2011 INFOS conference in Grenoble, FR
![](photos/Alex_grenoble.jpg)
Agham opening up and working on the MBE chamber
![](photos/IMG_0245.jpg)
Year 2010
October 2010: Rytis Dargis is leaving to join Translucent, Inc.
![](photos/Rytis.jpg)
Best of luck Rytis, and Thank You!
![](photos/Rytis_leaving.jpg)
August 2010: Jaekwang Lee's Defense
![](photos/jkl_before.JPG)
Jaekwang and his committee before the defense...
![](photos/jkl_defense.jpg)
The defense of Jaekwang Lee...
![](photos/jkl_after.JPG)
Jaekwang and his committee after the defense...
(Prof. Allan MacDonald, Prof. James Chelikowsky, Dr. Jaekwang Lee, Prof Alex Demkov, and Prof. Gyeong Hang)
![](photos/All_10.JPG)
Party after Jaekwang Lee's Thesis Defense
Jaekwang receiving the PCSI Young Investigator Award
Jaekwang Lee receiving the 2010 Conference on the Physics and Chemistry of Surfaces and Interfaces (PCSI) Young Investigator Award from presenter Rudy Ludeke!
![](photos/Jisun_and_STM.jpg)
Jisun Kim and the Low Temperature UHV STM
![](photos/MBE_working.JPG)
MBE is working! With Dr. Jamal Ramdani (National Semiconductor, Inc.)
Year 2009
![](photos/IMG_now.JPG)
We are almost there with the MBE Lab: Miri Choi, Agham Posadas, Rytis Dargis, Alex Demkov, Tuo Wang, and Myung Lee (DCA, Inc.)
![](photos/MBE_before.JPG)
Humble beginnings of the MBE Lab...
![](photos/Portugal_2009.JPG)
Visiting Portugal (UT-Portugal collaboration)
![](photos/IMG_Trinity.JPG)
Trinity College, Cambridge with Prof. David Drabold
Year 2008
![](photos/Sharia_PhD_2_small.jpg)
Party for Sharia's graduation in 2008
![](photos/2677024905_81768824d2.jpg)
![](photos/2677840608_aa7dd6fdb6.jpg)
Barbecue party near Xuhui's house in 2008
![](photos/APS2008-ACME.JPG)
Jaekwang and his wife at APS meeting in New Orleans
![](photos/JRC_AAD_ICES_05.JPG)
Prof. James Chelikowsky with Prof. Alex Demkov
![](photos/DSCF0037.JPG)
Prof. Jose Ortega with Prof. Leonard Kleinmann
![](photos/DSCF0038.JPG)
Prof. James Chelikowsky with Prof. Jose Ortega
Year 2007
![](photos/aug2.jpg)
Barbecue party: Jaekwang Lee, Alex Slepko, Manish Niranjan, Hendrik's Brother, Hendrik Bentmann, and Onise Sharia
![](photos/aug1.jpg)
Profs. Leonard Kleinman and Sanjay Banerjee with Dr. Taras Kirichenko.
Party to welcome Prof. Otto F. Sankey to Austin
![](photos/sank1.jpg)
Barbecue party at our boss's house with Prof. Leonard Kleinman, Prof. Otto F. Sankey, Manish, Nikoli, Xuhui, and Xuhui's girlfriend
![](photos/sank2.jpg)
Prof. Otto F. Sankey with Prof. Leonard Kleinman
![](photos/lukas_farewell_s.jpg)
Demkov Group Photo from Spring 2012
![](photos/Group_2012_s.jpg)
Installation of the ARPES to the Lab
![](photos/coffee.jpg)
Taking a coffee break between all the hard work.
Working on the connecting the ARPES to the rest of the system.
Year 2011
Alex at the 2011 INFOS conference in Grenoble, FR
![](photos/Alex_grenoble.jpg)
Agham opening up and working on the MBE chamber
![](photos/IMG_0245.jpg)
Year 2010
October 2010: Rytis Dargis is leaving to join Translucent, Inc.
![](photos/Rytis.jpg)
Best of luck Rytis, and Thank You!
![](photos/Rytis_leaving.jpg)
August 2010: Jaekwang Lee's Defense
Jaekwang and his committee before the defense...
![](photos/jkl_defense.jpg)
The defense of Jaekwang Lee...
Jaekwang and his committee after the defense...
(Prof. Allan MacDonald, Prof. James Chelikowsky, Dr. Jaekwang Lee, Prof Alex Demkov, and Prof. Gyeong Hang)
Party after Jaekwang Lee's Thesis Defense
Jaekwang receiving the PCSI Young Investigator Award
Jaekwang Lee receiving the 2010 Conference on the Physics and Chemistry of Surfaces and Interfaces (PCSI) Young Investigator Award from presenter Rudy Ludeke!![Jaekwang and Rudy Ludeke at the 2010 PCSI conference.](photos/jkl_rludeke.png)
![](photos/Jisun_and_STM.jpg)
Jisun Kim and the Low Temperature UHV STM
MBE is working! With Dr. Jamal Ramdani (National Semiconductor, Inc.)
Year 2009
We are almost there with the MBE Lab: Miri Choi, Agham Posadas, Rytis Dargis, Alex Demkov, Tuo Wang, and Myung Lee (DCA, Inc.)
Humble beginnings of the MBE Lab...
Visiting Portugal (UT-Portugal collaboration)
Trinity College, Cambridge with Prof. David Drabold
Year 2008
![](photos/Sharia_PhD_2_small.jpg)
Party for Sharia's graduation in 2008
![](photos/2677024905_81768824d2.jpg)
![](photos/2677840608_aa7dd6fdb6.jpg)
Barbecue party near Xuhui's house in 2008
Jaekwang and his wife at APS meeting in New Orleans
Prof. James Chelikowsky with Prof. Alex Demkov
Prof. Jose Ortega with Prof. Leonard Kleinmann
Prof. James Chelikowsky with Prof. Jose Ortega
Year 2007
![](photos/aug2.jpg)
Barbecue party: Jaekwang Lee, Alex Slepko, Manish Niranjan, Hendrik's Brother, Hendrik Bentmann, and Onise Sharia
![](photos/aug1.jpg)
Profs. Leonard Kleinman and Sanjay Banerjee with Dr. Taras Kirichenko.
Party to welcome Prof. Otto F. Sankey to Austin
![](photos/sank1.jpg)
Barbecue party at our boss's house with Prof. Leonard Kleinman, Prof. Otto F. Sankey, Manish, Nikoli, Xuhui, and Xuhui's girlfriend
![](photos/sank2.jpg)
Prof. Otto F. Sankey with Prof. Leonard Kleinman