Congratulations, Class of 2022!

In rollicking ceremony, UC Berkeley graduates cap a challenging college education

Keegan Houser

1971

Human pituitary growth hormone

The human pituitary growth hormone (somatotropin) is isolated and, in 1971, synthesized by biochemistry professor Choh Hao Li.

Canada Stamps # 414, 7¢, 1964, 4 blocks of 12 used stamps.Explore the timeline