The Watson-Crick Model of DNA

Deoxyribonucleic Acid (DNA) is a double-stranded, helical molecule. It consists of two sugar-phosphate backbones on the outside, held together by hydrogen bonds between pairs of nitrogenous bases on the inside. The bases are of four types (A, C, G, & T): pairing always occurs between A & T, and C & G. James Watson (1928 – ) and Francis Crick(1916 – 2004) realized that these pairing rules…

Franklin William Stahl (1929-)

Franklin “Frank” Stahl was born in Boston. He received a B.A. from Harvard University in 1951. Stahl then went to the University of Rochester for graduate work. While finishing up his Ph.D., Stahl attended a molecular biology course at Woods Hole. The course was being…

Matthew Stanley Meselson (1930-)

Matthew Meselson was born in Denver, Colorado. He had always wanted to be a chemist and had a huge lab workshop set up in his family’s basement and garage. Meselson studied chemistry at the University of Chicago and then did his graduate work at the…

Arthur Kornberg (1918-2007)

Arthur Kornberg was born in Brooklyn, New York. His parents emigrated from Eastern Europe and neither of them had a formal education. Kornberg’s father worked in a New York sweatshop to support his family. Later, he and his wife opened a small hardware store. Kornberg’s…

Linus Carl Pauling(1901-1994)

Linus Carl Pauling US citizen. Born 28 February 1901, Portland, OR, USA. Died 19 August 1994 Big Sur, CA, USA Pauling attended the public elementary and high schools in the town of Condon and the city of Portland, Oregon, and entered the Oregon State College…

Rosalind Franklin (1920-1958)

Rosalind Elsie Franklin was born in London, England. Her family was well-to-do and both sides were very involved in social and public works. Franklin’s father wanted to be a scientist, but World War I cut short his education and he became a college teacher instead.…

Maurice Wilkins (1916-2004)

Maurice Hugh Frederick Wilkins was born in Pongaroa, New Zealand. His father was a doctor and in order to pursue his interest in preventative medicine, moved the family to England when Wilkins was six. Wilkins believes that having spent his formative years in New Zealand,…

James Watson (1928- )

James Dewey Watson was born in Chicago. As a child, he was bright and inquisitive. One of his favorite words was “why?” and he wasn’t satisfied with simple answers. He accumulated a lot of knowledge by reading the World Almanac, and won $100 as a…

Francis Crick (1916-2004)

Francis Harry Compton Crick was born in a small town near Northampton, England. As a child, Crick was very inquisitive and he read all of the books of Children’s Encyclopedia that his parents bought him. He found the sections that dealt with science most interesting.…