CHASE, FREDERICK LINCOLN

(1865), 6. in Boulder, Colo. Graduated from the University of Colorado in 1886; Ph.D., Yale, 1891. Became a istant in Yale observatory in 1890, was a t. astronomer 1891 to 1911, and acting director from 1910 to 1913. Author: Heliometer Triangulation of the Vic_toria Comparison Stars (annals of the Cape Obs., 1897); Triangulation of the Principal Stars of the Cluster in Coma Bereneces (trans. Yale University Obs., vol. 1, part. V, 1896); Parallax Investigations on 163 Stars mainly of Large Proper Motion (trans. Yale Obs., Vol. 2, Part 1, 1906); Parallax Investigations on 86 Selected Stars, Vol. 2, part 2, 1910);. Parallax of 41 Southern Stars, Vol. 2, part 3, 1912; Catalogue of Yale Parallax Results, Vol. 2, part 4, 1912 and mis- 'cell a neo us papers in Astron. Journal.