Irun Cohen
Irun Cohen( born 1937, Chicago, Illinois) is an immunologist at the Weizmann Institute of Science, Israel.
He moved from the U.S. to Israel in 1968.
His contributions to immunology includes, in 1989, the development of the theory of the immunological homunculus, a hypothetical self- image used by the immune system to govern its responses.
The bulk of Professor Cohen's work is in the search for treatment for autoimmune disease.
Throughout his career he has collaborated with scientists of all nationalities, including the Cuban immunologist Enrique Montero.
Cohen is currently the Israeli scientist with the second( first is Leo Sachs) largest number of publications in the journals of Science and Nature.
Baglan Mailybayev
Baglan Mailybayev( in Kazakh Бағлан Асаубайұлы Майлыбаев) was born on 20 May 1975 in Zhambyl region, Kazakhstan.
His nationality is Kazakh.
He is a politician of the Republic of Kazakhstan, Deputy Head of the Presidential Administration of the Republic of Kazakhstan, Doctor of Law( 2002)( under the supervision of Professor Zimanov S.Z.- scientific advisor and academician of National Academy of Sciences of the Republic of Kazakhstan) and Ph.D. in Political Science( 1998).
Ali Rahuma
Ali Khalifa Rahuma( born May 16, 1982) is a Libyan football midfielder who's nationality is Libyan.
He currently plays for Al- Ittihad, and is a member of the Libya national football team.
Adrian Petriw
Adrian Roman Petriw( born August 5, 1987) is a Leo Award nominated Canadian actor and voice actor.
He is best known for his voice role of Tony Stark/ Iron Man in the television series Commander Gren in" The Dragon Prince", and Adam in the Netflix Original series" The Hollow".
His notable Film and Television credits include" Legends of Tomorrow, Loudermilk, Van Helsing, iZombie, Lucifer, Hell On Wheels, Arrow", and" Project Mc".
His first voice acting role was in.
Eleni Gabre-Madhin
Eleni Zaude Gabre- Madhin, an Ethiopian economist with Swiss nationality, is a former Chief Executive Officer of the Ethiopia Commodity Exchange( ECX).
She has had many years of experience working on agricultural markets – particularly in Sub- Saharan Africa – and has held senior positions in the World Bank, the International Food Policy Research Institute( Washington), and United Nations( Geneva).
Leo Diogenes
Leo Diogenes ("Leōn Diogenes") was the son of Byzantine Emperor Romanos IV Diogenes and Eudokia Makrembolitissa.
Crowned co-emperor during his father's reign, he later served in the armies of Emperor Alexios I Komnenos.
Constantine Diogenes (pretender)
Pseudo- Constantine Diogenes or Pseudo- Leo Diogenes( died after 1095) was an unsuccessful pretender to the Byzantine throne against Emperor Alexios I Komnenos.
Of lowly origin, he pretended to be a son of Emperor Romanos IV Diogenes.
Exiled to Cherson, he escaped and took refuge among the Cumans.
In 1095, he invaded the Byzantine Empire at the head of a Cuman host and advanced as far as Adrianople before being captured by a ruse and blinded by loyalist forces.
Pyotr Olegovich Tolstoy
Pyotr Olegovich Tolstoy( born June 20, 1969 in Moscow, RSFSR, Soviet Union) is a Russian journalist, producer, presenter and politician.
Also he led the air Channel One Russia after the elections on March 4, 2012 at a pair of Alexander Gordon.
Member of the Civic Chamber of the Russian Federation, the former leading the Sunday program Vremya on the Channel One Russia( 2005 – 2012).
Deputy Director of the Directorate of social and political programs, Channel One( 2009- 2016).
Currently leads the program" Politics" and" Time will tell" on this channel.
He is Leo Tolstoy's great- great- grandson.
In September 2016 he was elected to the State Duma from the Lyublino constituency of Moscow, from political party United Russia.
Romanos IV Diogenes
Romanos IV Diogenes ("Rōmanós IV Diogénēs"), also known as Romanus IV, was a member of the Byzantine military aristocracy who, after his marriage to the widowed empress Eudokia Makrembolitissa, was crowned Byzantine emperor and reigned from 1068 to 1071.
During his reign he was determined to halt the decline of the Byzantine military and to stop Turkish incursions into the Byzantine Empire, but in 1071 he was captured and his army routed at the Battle of Manzikert.
While still captive he was overthrown in a palace coup, and when released he was quickly defeated and detained by members of the Doukas family.
In 1072, he was blinded and sent to a monastery, where he died of his wounds.
Nayelly Hernández
Nayelly Hernández( born 23 February 1986) is a former Mexican female professional squash player.
She has represented Mexico internationally in several international competitions including the Central American and Caribbean Games, Pan American Games, Women's World Team Squash Championships.
Nayelly achieved her highest career ranking of 57 in October 2011 during the 2011 PSA World Tour.
Her husband Chris Walker whose nationality is English is also a professional squash player.
She joined the Trinity College in 2008 as the first Mexican female to join a US college for squash and graduated in 2010.

Question: What nationality is Leo Diogenes's father?
Answer: Byzantine