Columbia University Fly Room, around 1920
Thomas Hunt Morgan in the Fly Room at Columbia, 1917.
Thomas Hunt Morgan in the Fly Room at Columbia (2), 1917.
Early drawing of a male fruit fly.
Calvin Bridges in Fly Room at Columbia around 1926. Note the crowded conditions.
Thomas Hunt Morgan established the chromosomal theory of inheritance. He used fruit flies with eye color mutations to demonstrate sex-linked inheritance patterns.
Hermann Muller and some of his staff in the Fly room at Indiana University.
Fruit flies help to reveal that chromosomes carry genes.
The fruit fly is easy to maintain, has large numbers of offspring, and grows quickly. The fruit fly shares with humans a number of so-called “master,” or homeotic, genes.
Morgan at his desk at Columbia, 1920.
Calvin Bridges in Fly Stock Room in Caltech, around 1935. Fly stocks now had their own room as opposed to being stacked on people's desks.