Frank was born in Zurich on November 9, 1924, the second son of a Jewish businessman from Frankfurt. He started training with various photographers as of 1941. He became a Swiss citizen in 1945, then moved to the United States in 1947, where he became a citizen in 1963. In 1972 he returned to photography, experimenting with Polaroid. Over the following years, he received numerous awards, and had many publications and exhibitions. Frank was married twice and had two children. He passed away on September 9, 2019, in Inverness, Nova Scotia, Canada.
