 She won the inaugural Excellence in Science Award from the Federation of American Societies for Experimental Biology in 1989 and was honored by the AAI Committee for the Status of Women in Science.Koshland died in Berkeley, California on October 28, 1997 of lung cancer.The Marian Koshland Science Museum in Washington, D.C., which features exhibits geared toward the general public, and the Marian E. Koshland Integrated Natural Science Center at Haverford College, which houses the elite liberal arts college's science departments, are both named in her honor.