Patrick O. BrownM.D., Ph.D. is a Professor of biochemistry at Stanford University. He got his B.S, M.D. and Ph.D. from the University of Chicago. His research uses DNA microarrays to study the gene expression patterns associated with especially cancer. He became an investigator of the Howard Hughes Medical Institute in 1988, and joined the United States National Academy of Sciences in 2002. Doctor of Medicine (M.D., from the Latin Medicinæ Doctor) is an academic degree. ... Doctor of Philosophy (Ph. ... A professor (Latin: one who claims publicly to be an expert) (or prof for short) is a senior teacher, lecturer and/or researcher usually employed by a college or university. ... Biochemistry is the study of the chemistry of life, a bridge between biology and chemistry that studies how complex chemical reactions give rise to life. ... The Leland Stanford Junior University, commonly known as Stanford University (or simply Stanford), is a private university located approximately 37 miles (60 kilometers) southeast of San Francisco in an [1] of Santa Clara County. ... The Medicinæ Doctor or Doctor of Medicine (M.D. or D.M.) is a doctorate level degree held by medical doctors. ... The University of Chicago is a private university located principally in the Hyde Park neighborhood of Chicago, Illinois. ... Example of an approximately 40,000 probe spotted oligo microarray with enlarged inset to show detail. ... Gene expression, also called protein expression or often simply expression is the process by which a genes DNA sequence is converted into the structures and functions of a cell. ... When normal cells are damaged beyond repair, they are eliminated by apoptosis. ... The Howard Hughes Medical Institute (HHMI) is a United States non-profit medical research institute based in Chevy Chase, Maryland and originally founded by the aviator and engineer Howard Hughes in 1953. ... 1988 (MCMLXXXVIII) was a leap year starting on Friday of the Gregorian calendar. ... President Harding and the National Academy of Sciences at the White House, Washington, DC, April 1921 The National Academy of Sciences (NAS) is a corporation in the United States whose members serve pro bono as advisers to the nation on science, engineering, and medicine. ... For the Cusco album, see 2002 (album). ...