I worked for M B_M from 1959 to 1965 as his studio manager I was his1st.employee in fact I processed his 1st.rolls of film from his 1st. job in my garden shed, this was my dakroom that time, he had no equipment other than a camera.his first job was swimwear.He did have a Gandolfi plate camera & rolleiflex.
John Axcell