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Robert Hooke
Hooke was the first scientist to discover cells. He contributed the study of cells while looking at a thin slice of cork -
Antonie Leeuwenhoek
Leeuwenhoek was the first scientist to observe cells under a microscope. Leeuwenhoek is considered the father of microbiology. -
Matthias Schleiden
Schleiden was known for discovering the cell theory. -
Theodor Schwann
Discovered the enzyme pepsin glial cells in nerves. He also identified the role microorganisms play in alcohol fermentation -
Rudolf Virchow
Virchow discovered that cells are created from the division of cells, described as "every cell originates from another existing cell". -
Gregor Mendel
Mendel discovered the basic principles of heredity through experiments in his garden. -
William Bateson
Was the first person to use the term genetics. He also recognized the work of Gregor Mendel. -
Reginald Punett
Punett discovered with bateson linkage, sex determination, sex linkage, and also an example of autosomal linkage. -
Frederick Griffith
Griffith discovered what he called a "transforming principle" that caused inheritance. -
Gilbert N. Lewis
Lewis discovered the covalent bond and his concept of electron pairs. -
Francis Crick
Crick and Watson worked together and announced that they have determined the double-helix structure of DNA, the molecule containing human genes. -
Hans Adolf Krebs
Krebs discovery in living organisms of the series of chemical reactions known as tricarboxylic acid cycle (also called the critic acid cycle, or Krebs cycle -
Oswald Avery
Discovered that DNA is the material of which gene's and chromosomes are made. -
James Watson
Discovered the double-helix structure of the DNA molecule along with Francis Crick