Adrian Brian
Adrian Brian( March 16, 1892 – September 8, 1978) was an American wrestler.
He competed in the Greco- Roman featherweight event at the 1920 Summer Olympics.
Gennadi Sardanashvily
Gennadi Sardanashvily( March 13, 1950 – September 1, 2016) was a theoretical physicist, a principal research scientist of Moscow State University.
Anatoliy Mazaraki
Anatoly A. Mazaraki( born 27 July 1950 in Kiev, USSR) is Ukrainian scientist of Greek descent, rector of the Kyiv National University of Trade and Economics( KNUTE).
Among his academic achievements belong: the Doctor of Economics( 1995), professor( 1994), academician of the Academy of Pedagogical Sciences of Ukraine, Honored Scientist of Ukraine( 1995) and Honorary Professor( 2010).
He is author of over 300 scientific publications.
Craig T. Simmons
Craig T. Simmons is an Australian hydrogeologist and was named South Australia's Scientist of the Year in 2015.
Greg Zacharias
Dr. Greg Zacharias was the Chief Scientist of the United States Air Force from May 2015 to January 2018.
Emir Sader
Emir Simão Sader( born July 13, 1943) is a Brazilian sociologist and political scientist of Lebanese origin.
Richard J. Joseph
Richard J. Joseph is the 36th and currently serving Chief Scientist of the United States Air Force who has been in the role since February 2018.
Sergey Lebedev (scientist)
Sergey Alexeyevich Lebedev( 2 November 1902, n.s. – 3 July 1974) was a Soviet scientist in the fields of electrical engineering and computer science, and designer of the first Soviet computers.
Percival Bazeley
Percival Landon Bazeley was a scientist of Australian biotechnology and public health.
Narek Margaryan
Narek Margaryan( born September 14, 1983 in Yerevan, Soviet Union) is an Armenian comedian, screenwriter and TV host.
Since 2007 with his friend, comedian and writer Sergey Sargsyan he wrote, directed and performed a series of stand up comedy shows.
In 2009 Narek Margaryan and Sergey Sargsyan started ArmComedy first satiric news site in Armenia giving a fresh, funny and controversial interpretation of on current Armenian social and political developments.
In 2010 ArmComedy won ArmNet Award for Armenian website with best content.
Same year Narek Margaryan and Sergey Sargsyan start producing satiric news show series for the Internet under the title 3D Update.
After 19 episodes, the show was rebooted as NewsՀաբ and ran on CivilNet Internet television channel for 42 episodes.
In March 2012 the show moved to ArmNews TV channel and in 2015 on ATV where it currently runs under a new title ArmComedy.
It is the first show in Armenia to start as a web series and make a transition from web to network television.
Narek Margaryan holds a PhD in English and was a professor at Yerevan State Linguistic University after V. Brusov for 2 years.
In 2011 after satiric sketch about the University appeared on Youtube he was fired, despite of protests by students.
Ex- rector Suren Zolyan organized mass viewing of the sketch at a staff meeting.
Margaryan returned to university once a new rector was appointed.
In 2013 Narek Margaryan and Sergey Sargsyan wrote screenplay for The Knight's Move, their very first feature movie.
In that road movie comedy a fictional chess champion gets hold of Temur Lang's ruby and is chased by an ancient and mystical Kazakh order.
In 2016 Narek Margaryan and Sergey Sargsyan wrote screenplay for Head of State, Armenia's first political feature comedy.
In May 2017 Narek Margaryan and Sergey Sargsyan were on US standup tour and were invited as guests on Conan.

Question: Were Adrian Brian and Sergey Lebedev (Scientist) of the same nationality?
Answer: no