Ludwig Goldscheider (1896-1973) was a distinguished art historian and book designer, and co-founder of Phaidon Press in Vienna in 1923.
Ilse Schneider-Lengyel (1903-72) was a writer and photographer who specialized in sculpture. Her photographs are reproduced in two other classic works by Goldscheider, Rodin and Michelangelo, also published by Phaidon.