Gua was a chimpanzee raised as though it were a human child by scientists Luella and Winthrop Kellogg alongside their infant son Donald. Gua and Donald were raised as brother and sister. In tests Gua often tested ahead of Donald in reading and understanding.[1] Slight differences in their placement included people recognition. Gua recognized people from their clothes and their smell while Donald recognized them by their faces.
The parting difference came with language. Donald was about 16 months and Gua was a little over a year old when they had language testing. Gua could not speak, but Donald could form words. When Donald began to copy Gua's sounds the experiment ended. On March 28, 1932, nine months into it the Kelloggs officially ended the experiment. Gua was returned to the primate center with Robert Yerkes in Florida.
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November 15, 1930 in Havana, Cuba
Pierre Abreu gave Gua along with her mother, Pati, and her father Jack, to the old Orange Park, Florida location of the Yerkes Regional Primate Research Center on May 13, 1931 after the death of his mother, Madame Rosalia Abreu.
December 21, 1933
Gua died of pneumonia. She just turned 3. She died less than a year after her human stepbrother Donald Agger Kellogg and she were separated. Mr. Kellogg would later commit suicide in 1972.
Jack and Pati
Gua was the first chimpanzee to be used in a cross-rearing study in the US. Brought into the Kellogg home at the age of 7 1/2 months, Gua was reared with their son Donald, who was 10 months old at time. For nine months the Kelloggs comprehensively recorded the development of the chimpanzee and the human child. After nine months, Gua was returned to the lab where she did experimental work with Ada Yerkes, Robert Yerkes wife, and the Kelloggs returned to Indiana. Many videos posted in Youtube coming from the archives of Emory University, Wesleyan University, Kellogg University and other institutions continue to memorialize Gua, her short life, and her contribution to Psychology.