Clas Thunberg
Arnold Clas ("Classe") Robert Thunberg was a Finnish speed skater who won five Olympic gold medals – three at the inaugural Winter Olympics held in Chamonix in 1924 and two at the 1928 Winter Olympics held in St. Moritz. He was the most successful athlete at both of these Winter Olympics, sharing the honour for 1928 Winter Olympics with Johan Grøttumsbraaten of Norway. No other athlete ever won such a high fraction of all Olympic events at a single Games. He was born and died in Helsinki.
5 April 1893
Born on the same birth date (5 April 1893): Frithjof Andersen
Born on the same birth day (5 April): Alexey Volkov (biathlete) • Fabio Vitaioli • Félix Dujardin • Indrek Tobreluts • Jane Asher • John Beecher (ice hockey) • Larry McCray • Motobu Chōki • Oleg Khodkov • Tom Finney
Born in the same month (April 1893): Allen Dulles • Allen Sothoron • Almada Negreiros • Charles E. Burchfield • Cicely Courtneidge • Dean Acheson • Draža Mihailović • Frank Borzage • Frithjof Andersen • Germaine Guèvremont • Harold Breen • Harold Lloyd • Harold Urey • Joachim von Ribbentrop • Joan Miró • John Norton (athlete) • Leslie Howard • Otto Steinböck • Rahul Sankrityayan • Victor Gollancz