Claim: The Themistian asteroid 4176 Sudek was discovered by Czech astronomer A. Mrkos (27 January 1918 – 29 May 1996) on 24 March 1987.
Evidence: It was discovered on 24 February 1987, by Czech astronomer Antonín Mrkos at the Kleť Observatory in the Czech Republic. 
24 February 1987