Cetus was a biotechnology company established in Berkeley, California in 1972. The Polymerase Chain Reaction (PCR ) was developed there for which Kary Mullis won the 1993 Nobel Prize in Chemistry. It was taken over by Chiron Corporation in 1991. Biotechnology is technology based on biology, especially when used in agriculture, food science, and medicine. ... Berkeley as seen from the Claremont Canyon Regional Preserve Berkeley is a city in the San Francisco Bay Area of northern California, in the United States. ... 1972 (MCMLXXII) was a leap year that started on a Saturday. ... Polymerase chain reaction (PCR) is a molecular biological technique for amplifying (creating multiple copies of) DNA without using a living organism, such as E. coli or yeast. ... Wikipedia does not yet have an article with this exact name. ... Dr. Kary Banks Mullis, PhD Nobel Laureate was born December 28, 1944. ... 1993 (MCMXCIII) is a common year starting on Friday of the Gregorian calendar and marked the Beginning of the International Decade to Combat Racism and Racial Discrimination (1993-2003). ... List of Nobel Prize laureates in Chemistry from 1901 to the present day. ... Chiron Corporation (NASDAQ: CHIR) is a biotechnology firm based in Emeryville, California. ... 1991 (MCMXCI) is a common year starting on Tuesday of the Gregorian calendar. ...

References

• A. L. Demain, The Biopharmaceutical Revolution, Tekno Scienze (1 November d2005) (Good historical overview)