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Joseph C Gayetty [disputed – discuss]. Joseph C. Gayetty (c.1827 – May 2, 1895) was an American inventor credited with the invention of commercial toilet paper. [1] [2] [3] It was the first and remained only one of the few commercial toilet papers from 1857 to 1890 remaining in common use until the invention of splinter-free toilet paper in 1935 by the Northern Tissue Company.
The following is a list of notable microbiologists who have made significant contributions to the study of microorganisms. Many of those listed have received a Nobel Prize for their contributions to the field of microbiology. The others are typically considered historical figures whose work in microbiology had a notable impact in the field.
A full roll of toilet paper Toilet roll and toilet roll holder; the paperboard center of a spent roll is visible on the holder.. Toilet paper (sometimes called toilet/bath/bathroom tissue, or toilet roll) [1] is a tissue paper product primarily used to clean the anus and surrounding region of feces (after defecation), and to clean the external genitalia and perineal area of urine (after ...
For their independent invention of the Cartesian Coordinate System: Artificial intelligence: Alan Turing, Claude Shannon, John McCarthy, Allen Newell, Marvin Minsky, Herbert A. Simon, Nathaniel Rochester: For their numerous contributions to the field, such as Turing's 1950 paper on AI, or Shannon's 1950 paper on how to program a computer for ...
Theodor Schwann (1810–1882), German physician and physiologist whose major contribution to biology was the extension of cell theory to animals; Neena Schwartz (1926–2018), American endocrinologist known for her work on female reproductive biology
Joseph Grafton Gall (April 14, 1928 – September 12, 2024) was an American cell biologist whose studies revealed many details of chromosome structure and function. Gall's studies were greatly facilitated by his knowledge of many different organisms because he could select the most favorable organism to study when approaching a specific question about nuclear structure.
March 27 – In Sweden, Ruben Rausing patents Erik Wallenberg's method of packaging milk in paper, origin of the company Tetra Pak. [11]June 13 – First operational use of the German V-1 flying bomb, the first operational cruise missile, containing a gyroscope guidance system and propelled by a simple pulsejet engine.
Joshua Lederberg ForMemRS [1] (May 23, 1925 – February 2, 2008) [2] was an American molecular biologist known for his work in microbial genetics, artificial intelligence, and the United States space program.