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John Tyler Bonner (1920- )

The establishment and growth of developmental-evolutionary biology owes a great debt to the work of John Tyler Bonner. Bonner's studies of cellular…

Morphogenesis: An Essay on Development (1952), by John Tyler Bonner

Throughout his long and fruitful career John Tyler Bonner has made great strides in understanding basic issues of embryology and developmental-…

Slime Mold Video

This video is composed of a sequence of films created by John Tyler Bonner in the 1940s to show the life cycle of the cellular slime mold…

Lazzaro Spallanzani (1729-1799)

Lazzaro Spallanzani's imaginative application of experimental methods, mastery of microscopy, and wide interests led him to significant contributions…

Hans Adolf Eduard Driesch (1867-1941)

Although educated as a scientist who studied with both August Weismann and Ernst Heinrich Haeckel, Hans Adolf Eduard Driesch was first employed as a…

Abraham Trembley (1710-1784)

Abraham Trembley's discovery of the remarkable regenerative capacity of the hydra caused many to question their beliefs about the generation of…

Charles Manning Child (1869-1954)

Born in Ypsilanti, Michigan, on 2 February 1869, Charles Manning Child was the only surviving child of Mary Elizabeth and Charles Chauncey Child, a…

Thomas Hunt Morgan (1866-1945)

Although best known for his work with the fruit fly, for which he earned a Nobel Prize and the title "The Father of Genetics," Thomas Hunt Morgan's…

Reminiscences of Dr. Edwin Grant Conklin (1863-1952), Biologist [1 of 2]