Background
Citroen, Karel Adolf was born on February 12, 1920 in Amsterdam, Netherlands. Son of Abraham and Anna (Ptasznik) Citroen.
Citroen, Karel Adolf was born on February 12, 1920 in Amsterdam, Netherlands. Son of Abraham and Anna (Ptasznik) Citroen.
Student, Brussels and Amsterdam.
Director family jewelry business, Amsterdam, 1946-1971. Independent broker precious metals and jewels, since 1964. Associate professor University Amsterdam, 1966-1971.
Consultant in decorative arts, various art museum worldwide, since 1948, Sotheby's and Christie's auction houses, Europe and United States, since 1965. Guest lecturer in field, since 1966.
With Royal British Navy, 1943-1946, European Theatre of Operations. Member Goldsmiths Company London, Silver Society London, Society Jewellery Historians London, Industrieele Groote Club (Amsterdam).