John was born on May 12, 1920, under the zodiac sign of Taurus, in the United States of America. While little is publicly known about his parents or siblings, it is confirmed that he completed his education in the U.S. As of the latest available information, he is 96 years old and remains active in his field. John is also a lecturer affiliated with the Department of Ecology and Evolutionary Biology.
John is associated with Princeton University in New Jersey, where he has conducted extensive research in evolutionary biology. He focused particularly on slime molds, using them as a model to study evolution and developmental processes. His work in this field earned him a reputation as a leading biologist in the study of slime molds. Arizona State University recognized his contributions and praised both the depth and clarity of his research.
John spent a decade at Harvard University, furthering his academic and research pursuits. During World War II, he served in the United States Army Air Corps, temporarily pausing his academic career in order to fulfill his military duties.
He later served as the chairman of the Biology Department at Princeton University. His tenure lasted until 1977, after which he took a break. He returned briefly in 1983 for a year and once again in 1987, continuing his academic involvement at the institution before concluding his formal association.
John is a member of the National Academy of Sciences, recognizing his significant contributions to the field of biology. He held visiting scholar positions at institutions including the Indian Institute of Science (IIS), where he contributed to academic courses and research. He has also taught at various other universities such as Brooklyn College, University College, and Williams College, providing instruction across diverse academic environments.
Renowned in the scientific community, John received several awards for his groundbreaking research. He authored numerous influential papers and books, including The Cellular Slime Moulds, which explored the life cycle and development of these organisms. His broader scientific writings include Ideas of Biology and the acclaimed Why Size Matters: From Bacteria to Blue Whales, reflecting his interest in biological scale and complexity.
| Birth Date: | 12 May, 1920 |
| Age: | 99 yrs |
| Occupations: | Biologist |
| Citizenship: | United States of America |
| Birth Place: | New York City |
| Education: | Harvard University |
| Gender: | Male |
| Description: | American biologist |
| Net Worth 2021: | 3 million |