Christine Ladd-Franklin

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Ladd-Franklin, Christine,

1847–1930, American scientist, b. Windsor, Conn., grad. Vassar 1869. She was the first woman student to enter Johns Hopkins (1878), her special studies being directed toward logic and the theory of color. She studied in Göttingen (1891–92) and worked in Helmholtz's laboratory, developing the theory of color vision that bears her name and that is described in Colour and Colour Theories (1929), a collection of her papers.

Ladd-Franklin, Christine

(1847–1930) psychologist, logician; born in Windsor, Conn. She studied mathematics at Johns Hopkins University, where she married faculty member Fabian Franklin (1882). In 1883 she proposed the "antilogism," a syllogism concluding that if any two premises are true, the third must be false. Her experiments in psychological optics began in 1886, and she presented her theory of color vision to the International Congress of Psychologists in London in 1892. She taught at Columbia University from 1910 to 1930.
References in periodicals archive ?
Christine Ladd, also known as Kitty, was born in New York City on December 1, 1847, the first child born to Eliphalet and Augusta Niles Ladd.
Christine Ladd spent her early years with her family at the Niles family homestead in Windsor, Connecticut, but was sent to live with her paternal grandmother in New Hampshire in 1860, following Augusta's death from pneumonia.
Proud of her daughter's triumph (the type of satisfying work on behalf of womanhood to which young Christine Ladd had herself aspired), Ladd-Franklin's mind turned toward correcting an old injustice.