[1] He was also a member of the resistance who saved Jewish children during WW2 and was promoted as a doctor after the war on an investigation into multiple sclerosis.

Despite the fact that he had not received any musical training, Edgar succeeded in teaching himself arrangements and how to play the piano and the trumpet.

In 1935 Boy Edgar recorded a number of songs in the GTB studio in The Hague, including "In the mood for love".

Edgar was briefly imprisoned after the Second World War because he refused to go to the Dutch East Indies as a soldier.

[1] In 1950, Edgar obtained his PhD with a thesis on processes in the nervous system of multiple sclerosis, a disease that his wife was already suffering from at that time.

To fully focus on his scientific career and the care of his wife, Edgar stopped making music for some time.

[1] Edgar made several full-length records during this period, won an Edison Award and regularly performed with international stars on radio and television.

The pinnacle of his artistic career was in the mid-60s, when Boy's Big Band recorded the LPs Now's the time (1965) and Finch Eye (1966).