Eugen Marx studied medicine in Amsterdam, where he sat for his medical finals on 2 July 1906. He specialised in ophthalmics and established himself as an ophthalmist in Rotterdam. He obtained his doctoral degree on 10 July 1925 in Leiden on a thesis 'On the sensitivity of the cornea'. He became an unsalaried university lecturer in Leiden.
Eugen Marx lived at 26b Oranjelaan in Rotterdam. He practi…