Mauritz Lodewijk Muller studied medicine in Utrecht, where he sat for his medical finals on 19 November 1909. He specialised in obstetrics and gynaecological diseases. On 3 July 1923, he obtained his doctoral degree on a thesis about 'Pelvis measurement and its clinical significance'.
He lived and practised briefly in Zeist and afterwards in Utrecht on the Maliebaan 74 until April 1940 and after …