Denton Cooley, American surgeon and scientist (died 2016)

Denton Arthur Cooley was an American cardiothoracic surgeon famous for performing the first implantation of a total artificial heart. Cooley was also the founder and surgeon in-chief of The Texas Heart Institute, chief of Cardiovascular Surgery at clinical partner Baylor St. Luke's Medical Center, consultant in Cardiovascular Surgery at Texas Children's Hospital and a clinical professor of Surgery at McGovern Medical School at the University of Texas Health Science Center at Houston.

August 22 is the 234th day of the year in the Gregorian calendar; 131 days remain until the end of the year.