[2] A prodigy, Bitterlich had her first professional exhibition in 1932 and in 1933 a book of reproductions of her work was published in Berlin.
[4] In 1941 her graphic art cycle Till Eulenspiegel created to words by Hans Leip was published in Berlin.
[2] In 1945 Bitterlich married the Catholic publicist and anti-Nazi resistance-movement fighter Michael Brink.
Her husband was imprisoned by the Nazi in a concentration camp, and died in 1947 as a result of health problems incurred from his stay there.
In 1951 she had a successful exhibition at the Galerie St. Etienne in New York City which displayed oil paintings, watercolors and graphic works created by Bitterlich in the years 1945 through 1950.