Maurits Polak, also known as Maup, was born on 8 March 1904 in Amsterdam. He lived with his father, his mother, and his younger brothers and sisters on a second-floor apartment in Swammerdamstraat. He grew up in a family with thirteen children.
Maurits Polak was a hawker, whose wares included shaving supplies and fancy goods. He and his brother David produced their own brand of razor blade, calle…