Viktor Hamburger (July 9, 1900 – June 12, 2001)Garland E. Allen.

(1 January 1898 – 18 October 1944) a Silesia-born Austrianidentity card of Viktor Ullmann of the Jewish Ghetto in Prague exposed on 18 January 1941 composer, conductor and pianist.

Renowned chess grandmaster, Soviet defector.

(31 December 1877 – 14 May 1931) a nationalist Czech poet, prose writer, playwright, politician and political writer.

Renowned chess grandmaster, Soviet defector.

Hungarian-French op art pioneer artist.

Baron Viktor Gutmann von Gelse und Belišće (3 October 1891 – 17 February 1946) was a Croatian industrialist.

Renowned chess grandmaster, Soviet defector.

Viktor Emil Frankl (26 March 1905 – 2 September 1997)

(June 26, 1906 – January 26, 2008) an American industrial designer as well as a teacher, sculptor, and artist.

Viktor Andriiovych Yushchenko (born 23 February 1954) is a Ukrainian politician who was the third president of Ukraine from 23 January 2005 to 25 February 2010.