Danish astronomer and astrophysicist (1908-1987) who made momentous contributions to the understanding of the chemical composition of stars and served as director of the Yerkes and McDonald Observatories. Collection of correspondence between Bengt Stromgren and Cambridge astronomer Arthur Beer, comprising 11 letters by Stromgren (eight TLSs and three ALSs), plus several pages of Beer’s retained carbon copies and drafts, dating from 1933 to 1955. Stromgren sends an article entitled “Problems of Cosmical Aerodynamics,” requests copies of “Vistas of Astronomy,” refers to a manuscript entitled “Twodimensional spectral classification of F stars through photoelectric photometry with interference filters,” and discusses various other publications. Two TLSs by his father, Swedish-Danish astronomer Elis Stromgren, are also included. Many of the pages are bound together with string. In overall very good to fine condition, with some scattered creasing and staining.
