John Friedrich Karl Rittmeister, often also abbreviated John F. Rittmeister, was a German neurologist, psychoanalyst and resistance fighter against Nazism. Rittmeister was a humanist and socialist who
Surviving example of the small adhesive leaflets
A Stolperstein or stumbling block memorial to Rittmeister that sits in front of the house Agnesstraße 30 in Winterhude
Memorial plaque for John Rittmeister on the facade of House 5 of the Asklepios Klinik Nord, location Ochsenzoll in Langenhorn