About John C. Jacob
Lived 1936 – 2008 (aged 71–72). John C. Jacob was an Indian writer, environmentalist and professor.
John C. Jacob (1936 – 11 October 2008) was one of the pioneers of the environmental movement in Kerala, India.
Early life and education
John Jacob was born at Nattakam in Kottayam in 1936.
He earned a degree in zoology from Madras Christian College.
Career He then joined the faculty at St. Joseph's College, Devagiri in Kozhikode before becoming the head of the Zoology Department at Payyanur College. He worked at Payyanur until he retired in 1992.
At Payyanur, in 1972 he started a zoology club that would form the genesis of campus-based nature conservation activities. The club also became involved in protesting threats to the environment. Jacobs also started several ecological magazines stressing the need to preserve nature, as well as setting up the Society for Environment Education, Kerala (SEEK), which published Soochimukhi magazine.
Death He died in Payyanur on 11 October 2008.
Legacy
The name of the balsaminaceae plant Impatiens johnsiana is dedicated to Prof. John C. Jacob who was popularly known as "Johnsi". The new plant is endemic to these parts of Western Ghats on densely clothed tree trunks in evergreen forests at an altitude of 1500-700 MSL. The observations showed that there are less than five hundred mature individuals restricted to a 10 km2 vested forest area. Impatiens johnsiana falls under the category Critically Endangered-CR (IUCN 2001). The research team included Dr M. K. Ratheesh Narayanan (now with Payyannur College Kannur; Dr C. N. Sunil (Sree Narayana Mangalm College, Moothakunnam Ernakulam); Dr N. Anil Kumar, Jayesh P. Joseph (MSSRF, Wayanad) and Dr T. Shaju (Tropical Botanic Garden and Research Institute, Thiruvananathapuram).
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Important facts
People in John C. Jacob's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped John C. Jacob's
Frequently asked questions
Who was John C. Jacob?
Indian environmentalist
When was John C. Jacob born?
John C. Jacob was born in 1936 in Kottayam.
When did John C. Jacob die?
John C. Jacob died on 11 October 2008 in Payyanur.
What was John C. Jacob's occupation?
John C. Jacob was a writer, environmentalist and professor.
What nationality was John C. Jacob?
John C. Jacob was Indian.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). John C. Jacob. https://biography.guide/john-c-jacob/
MLA: "John C. Jacob." Biography.guide, https://biography.guide/john-c-jacob/.
Chicago: "John C. Jacob." Biography.guide. https://biography.guide/john-c-jacob/.
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