American astronomer (1857–1923) best known for his discovery of Barnard's Star in 1916, which is named in his honor. Vintage 4.25 x 6.5 cabinet photo by Root of Chicago, signed in the lower border in black ink, “E. E. Barnard, Astronomer.” In fine condition, with some scattered light surface bends and impressions and slight mounting remnants to reverse. RR Auction COA.