Modified from Barbero GJ: Recurrent abdominal pain. Pediatrics in Review 4:30, 1982 and from Greenberger NJ: Sorting through nonsurgical causes of acute abdominal pain. Journal of Critical Illness7:1602â1609, 1992.
Early Modern. Antonie van Leeuwenhoek is considered a father of microbiology as he pioneered the use of simple single-lensed microscopes of his own design. In 1676, Anton van Leeuwenhoek, who lived most of his life in Delft, Holland, observed bacteria and other microorganisms using a single-lens microscope of his own design.
Gregor Johann Mendel (July 20, 1822 - January 6, 1884) was an Augustinian priest and scientist, and is often called the father of genetics for his study of the inheritance ofâ¦ traits in pea plants. Mendel showed that the inheritance of traits follows particular laws, which were later named after him.