Geburtsdatum | Freitag, 18. Juni 1954 |
Sternzeichen | |
Beschreibung | Chuen Yan Cheng (Chinese: 鄭泉恩) is a Senior Scientist for the Population Council's Center for Biomedical Research. He is most well known as the inventor of the non-steroid male contraceptive drug——Adjudin, which is the first male contraceptive drug on the market now finished clinical trials showing no side effects. |