Born in 1883, Elmer Samuel Imes was the 2nd Black American to receive a physics PhD in the U.S.

His pioneering experimental work measured of the rotational–vibrational spectra of diatomic molecules.

Imes faced many obstacles bc of his race & blazed trails in science for many who followed. He was also interested in how science & culture intersect & married Nella Larsen, a great writer of the Harlem Renaissance. He passed away in 1941. https://physicstoday.scitation.org/doi/full/10.1063/PT.3.4042 #history #science #HistoryRemix