Morgan at his desk at Columbia, 1920.
Thomas Hunt Morgan with microscope.
Morgan at microscope.
Thomas Hunt Morgan (1933 winner of the Nobel Prize for Medicine for his work on the chromosomal theory of inheritance), with his daughters, Isabel (left) and Lilian (right), 1920.
Thomas Hunt Morgan in the Fly Room at Columbia (2), 1917.
Thomas Hunt Morgan in the Fly Room at Columbia, 1917.
Family portrait of the Morgans. Thomas Hunt Morgan is standing next to his father on the right (around 1874).
A meeting between Hugo de Vries and Thomas Hunt Morgan.
A description of the "Chromosome debate" that took place during Morgan's time.
Summary of the Chromosome "theory" pre-Morgan.