Career
Hamburger played as an infielder for OVVO in Amsterdam, which belonged to the highest division of Dutch baseball, the Hoofdklasse. During a game on October 9, 1924 he was hit on the head by a line drive. He became dizzy but seemed to recover.
However, the next day he died at his home as a result of the impact.
He is thought to be the only European baseball player who died as the result of playing a baseball game. Hamburger"s son, psychiatrist Max Hamburger, was a Jewish resistance fighter and Holocaust survivor.