John "Grizzly" Adams
John Adams (also known as James Capen Adams and Grizzly Adams) (October 22, 1812 – October 25, 1860) was a California mountain man and trainer of grizzly bears and other wild animals he captured for menageries, zoological gardens and circuses. == Early years == Grizzly Adams was born John Boyden Adams to Eleazar Adams and Sybil Capen on October 22, 1812.