Osama Khalifa
Osama Khaled Khalifa( born March 19, 1995, in Cairo, Egypt) is a professional squash player who competed for Columbia University.
Khalifa was the# 1- ranked US college squash player and the 2017 Collegiate National Champion, the first- ever Columbia player to win the national title.
David R. Palmer
David R. Palmer( born 1941) is an American science fiction author.
His works have been nominated three times for Hugo Awards.
William Fea
William Rognvald Fea (5 October 1898 – 27 December 1988) was a New Zealand rugby union and squash player, and doctor.
Vladimir Polunin
Vladimir Polunin( 1880 – 11 March 1957) was a Russian scene painter.
Born in the Russian Empire, in 1908 Polunine moved to London to work as a designer for the" Ballets russes".
He was Diaghilev's chief scene- painter and worked with Picasso.
Among Polunin's students was Karen Harris, daughter of the banker Sir Austin Harris.
In London he met one of the artists Serge Diaghilev was trying hard to get work for, the sculptor and costume designer Elizabeth Violet Hart.
She was an English introduced in the Parisian Bohemia by Henri- Pierre Roché and heroine of the novel.
They were married the same year.
At that time he was a teacher at the Slade School of Fine Art.
He was the father of botanists Nicholas Polunin and Oleg Polunin, as well as physician Ivan Polunin.
Polunin died on 11 March 1957 in Great Britain.
David Palmer (squash player)
David Troy Palmer( born 28 June 1976 in Lithgow, New South Wales) is a professional squash player from Australia.
He won the Super Series finals in 2002, the World Open in 2002 and 2006; the British Open in 2001, 2003, 2004 and 2008; and the Australian Open in 2008.
He attained World No. 1 ranking in September 2001 and again( for one month) in February 2006.
Carin Clonda
Carin Lydia Clonda( born 1 March 1961) is a former Australian squash player and sports administrator.
Alison Cumings
Alison Cumings is a former English professional squash player.
David Palmer Ross
Sir David Palmer Ross was Surgeon General of the Colony of British Guiana.
He was knighted by letters patent in 1900.
Helen Paradeiser
Helen Paradeiser is a former Australian female professional squash player.
Her sister Sonia Paradeiser was also a squash player who played in domestic level matches.
Tristan Eysele
Tristan Eysele( born 21 November 1989) is a South African male squash player.
He achieved his highest career ranking of 126 in March 2018 which is also his current ranking which he achieved during the 2018 PSA World Tour.
He is coached by both former South African professional squash player, Jesse Engelbrecht and English professional squash player, Robbie Temple.

Question: Did David Palmer (Squash Player) and Vladimir Polunin have the same nationality?
Answer: no