Forest Ray Moulton was an American astronomer. He was the brother of Harold G. Moulton, a noted economist.
Forest Ray Moulton
Thomas Chrowder Chamberlin
Thomas Chrowder Chamberlin was an American geologist and educator. In 1893 he founded the Journal of Geology, of which he was editor for many years.
From left to right, E. D. Burton, T. C. Chamberlin, Joseph Beech, Y. T. Wang (interpreter), and R. T. Chamberlin (T. C. Chamberlin's son) at Santai County, Sichuan, during an exploratory trip through China in 1909 as part of the Oriental Educational Investigation Commission.