Sarah Till "Sally" Boysen (born March 5, 1949) is a professor of psychology at Ohio State University.
[5] Boysen's research focuses on chimpanzees' cognitive abilities in relation to intelligence, linguistics and neuroscience.
Boysen has been the subject of many documentaries, including ones on the BBC, National Geographic Frontiers, NOVA, and Nature.
[7] The university cited lack of external funds to support the high costs of maintaining the center.
[9] Boysen claimed that Primates, Inc. did not provide proper care for the chimpanzees, and she wanted them to be sent to Chimp Haven in Keithville, Louisiana instead.