Biotech Superstar Dies

Alejandro Zaffaroni, who launched companies that developed birth control pills, microarrays, and transdermal drug patches, has died at age 91.

kerry grens
| 2 min read

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ZAFFARONI FOUNDATIONA successful biotech entrepreneur whose companies pioneered the technology behind transdermal patches, DNA chips, and the birth control pill, died at his home in California at the age of 91. Alejandro Zaffaroni was the man behind Alza, Affymetrix, Affymax, and many other successful firms. “He always started with a big idea behind his companies and then adapted on the ground to the reality of what could be achieved,” Isaac Stein, a business partner of Zaffaroni, told The New York Times.

According to the Times, Zaffaroni was born in Uruguay and became an orphan at age 18. He came to the U.S. for his graduate work in biochemistry on corticosteroids. During the 1950s and '60s he became an accomplished scientist at Syntex Pharmaceuticals. Writing for The Scientist in 1988, David Moreau, the first managing director of Syntex in the U.K., described how Zaffaroni’s advances in paper chromatography of steroids contributed to the development of “fluocinolone acetonide (known worldwide as Synalar), the oral progestins that made the birth-control pill possible, non-virilizing androgens such as oxymetholone (still used for the treatment of aplastic anemia), paramethasone and many others.”

Zaffaroni’s business acumen and congenial nature helped him to lure successful academics to ...

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  • kerry grens

    Kerry Grens

    Kerry served as The Scientist’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at WHYY in Philadelphia, and the health and science reporter at New Hampshire Public Radio. Kerry got her start in journalism as a AAAS Mass Media fellow at KUNC in Colorado. She has a master’s in biological sciences from Stanford University and a biology degree from Loyola University Chicago.

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