doi:10.7916/d8-anst-am69Photograph of John Campbell Merriamphotographsstill imageCharitable uses, trusts, and foundationsScience--Study and teachingNational Research Council (U.S.)John Campbell Merriam (1869 - October 30, 1945) was a leading American paleontologist and the third president of the Carnegie Institution of Washington 1920-1938. He was the chairman of the National Research Council twice, in 1919-1920 and 1921-1923, and held other prominent positions in numerous scientific organizations. This photograph was taken in his CIW office before his 1938 retirement.