William S. Heckscher
In 1932–1933, Heckscher lived in New York where he worked as Panofsky's assistant. During this time, he enrolled in the Graduate Department of Art History at the Institute of Fine Arts at New York University to study American art history. Heckscher returned to Germany to continue his studies in 1934. He and his mother were detained by the Gestapo and interrogated for ten days after being accused of having pacifist connections.
Leslie Pinckney Hill
The son of a former slave, Hill was born in Lynchburg, Virginia. He attended primary school locally, and played the trumpet. His family moved to East Orange, New Jersey, where he attended high school. He excelled so much in school that he skipped his junior year, and was accepted to Harvard University his senior year. He entered Harvard University in 1899, supplementing his scholarship by working as a waiter. There he attended the classes of William James and was active in debating. He was elected to Phi Beta Kappa and graduated with Cum Laude. After graduation in 1903 he stayed another year for a master's degree in education.