Alexander (Lex) Polak played the clarinet. He was an arbiter for soccer club DSV. Shortly before he would make the trip to Westerbork, he married to Roossien Beem.
W. Rietman, Dag stedeke van gisteren (Diepenheim 1980)
This person is commemorated on a memorial in Diepenheim. More information on this memorial can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.