CORVALLIS, Ore. (AP) — Oregon State University officials say they plan to bolster the veterinary college after an alumnus has given one of the largest donations in the history of the university.

The Register-Guard reports the university on Wednesday renamed the college to the Gary R. Carlson College of Veterinary Medicine after the alumnus donated $50 million.

Carlson says pets give people joy, so he wanted to do something to better care for the four-legged friends.

Officials say the university will use the donation to more than double the size of its small animal hospital in Corvallis and create an endowment to attract and keep veterinary teachers.

Carlson graduated from the university in 1974 and is a partner at the Dermatology Associates of Westlake Village outside of Los Angeles.

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Information from: The Register-Guard, http://www.registerguard.com