Mannes (Maurice) Koopman Haas lived from 1922 untill 1936 at Hertzogstraat 1, a house built by Handwerkers Vriendenkring. In 1936 he moved to the Galileiplantsoen. Mannes Haas had two children who both survived the war by going into hiding.
On platform 2a/b of the Amsterdam Central Station, Mannes Haas name is listed on a plaque to commemorate railway-personnel that died during the war.
See for more information about Mannes Koopman Haas:
Bart de Cort, Solidariteit in anonimiteit. De geschiedenis van de leden van de Onafhankelijke Socialistische Partij (1932-1935). Een documentaire (Breda, 2004)
Addition of a visitor of the website
In addition, a Jokos file (number 17837) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
This person is commemorated on a memorial in Amsterdam. More information on this memorial can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.