David Catlin b. 1952 Source: Wikimedia Commons About David Catlin American mathematician People from the Same Era Martin Stropnický b. 1956 actor, diplomat, director, politician, writer Prague Vera Linkova b. 1954 children's writer, poet Ushtobe Sergio Rafael Silvestre Cevallos Ferriz b. 1954 paleobotanist, researcher Peter Zilvar b. 1950 Esperantist Hugh Griffiths b. 1956 electrical engineer, scientist, university teacher John Strohmayer 1946–2019 baseball player Belle Fourche