Loma Linda University Level I trauma center in San Bernardino, Riverside, Inyo and Mono counties, which comprise more than a fourth of the state's land mass. About 1,600 emergency helicopters land there each year. In October 1984, at Loma Linda University Medical Center, Baby Fae became the first human to receive a heart of a baboon. The transplant appeared to be successful, but Baby Fae died 21 days later of heart failure due to rejection of the transplant. In 1991, B. Lyn Behrens became the first female president of LLU. Serving until March 2008, she was succeeded by Richard Hart, who had previously
Baboon as a full species, but regard all the others as subspecies of "P. cynocephalus" and refer to them collectively as "savanna baboons". This may not be helpful: it is based on the argument that the hamadryas baboon is behaviorally and physically distinct from other baboon species, and that this reflects a separate evolutionary history. However, recent morphological and genetic studies of "Papio" show the hamadryas baboon to be more closely related to the northern baboon species (the Guinea and olive baboons) than to the southern species (the yellow and chacma baboons). In 2015 researchers found the oldest baboon fossil dating