Quote of the day
When David Marr at MIT moved into computer vision, he generated a lot of excitement, but he hit up against the problem of knowledge representation; he had no good representations for knowledge in his vision systems.
Sadie Tanner Mossell Alexander
Born: January 2, 1898
Died: November 1, 1989 (aged 91)
Bio: Sadie Tanner Mossell Alexander, was the first African-American woman to receive a Ph.D. in economics in the United States, and the first woman to receive a law degree from the University of Pennsylvania Law School.







