"You key there me cookie." With that sign language, Koko the gorilla tells her mentor; 28-year old graduate student Penny Patterson, to get the key,...
Koko, now 3-1/2, has learned 120 sign language signals. Miss Patterson, a Stanford student working on her PH.D., chose sing language for Koko because...
Koko, a four and a half year old gorilla, who has been taught some sign language, made her debut her 5/19. At left Francine "Penny" Patterson,...
In several previous experiments, sign language has been taught to chimpanzees, but this is the first real attempt with a gorilla. At left, Koko...
Koko the gorilla with trainer Penny Patterson who his teaching Koko sign language, March 3,1978 Photo ran 3/4/1978, P. 16
Young chimpanzee Kokomo Jnr sits in a chair wearing glasses and holding a comic book at his owner's apartment in New York City.
Young chimpanzee Kokomo Jnr quenches his thirst with a glass of orange juice, straight from the fridge at his owner's apartment in New York City.
American Blues musicians Koko Taylor and Willie Dixon perform onstage, Chicago, Illinois, July 29, 1987.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Janiva Magness performs onstage during the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Denise Lasalle performs onstage during a Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Denise Lasalle performs onstage during a Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Denise Lasalle performs onstage during a Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Denise Lasalle performs onstage during a Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Denise Lasalle performs onstage during a Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Denise Lasalle performs onstage during a Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Denise Lasalle performs onstage during a Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
American Blues singer Denise Lasalle performs onstage during a Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
Marva Wright performs at the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
Marva Wright performs at the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
Marva Wright performs at the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
Marva Wright performs at the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
Marva Wright performs at the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
Marva Wright performs at the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
Marva Wright performs at the Koko Taylor Benefit at the House of Blues, Chicago, Illinois, November 19, 2006.
Musician Delores Scott performs at the Koko Taylor Benefit held at the House of Blues, Chicago, Illinois, November 19, 2006.
Musician Delores Scott performs at the Koko Taylor Benefit held at the House of Blues, Chicago, Illinois, November 19, 2006.
Musician Delores Scott performs at the Koko Taylor Benefit held at the House of Blues, Chicago, Illinois, November 19, 2006.
Musician Delores Scott performs at the Koko Taylor Benefit held at the House of Blues, Chicago, Illinois, November 19, 2006.
Musician Delores Scott performs at the Koko Taylor Benefit held at the House of Blues, Chicago, Illinois, November 19, 2006.
