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.

Vintage Small Round Silver Tone Charms Chain Necklace 34" CostumExplore the timeline