Harold Hart Mann

Mann contributed to the studies on tea pests and disease, soils, manuring, and agricultural practices.

He also wrote ethnological studies, including one on the medicinal and dietary use of soils in India.

[1] He resigned from Indian Tea Association in June 1907 and joined as principal of the Agricultural College at Poona while also serving as chemist to the Government of Bombay.

He retired at the age of 55 and at the request of Sir John Russell he took charge of the Woburn Experimental farm (run by the Lawes Agricultural Trust) from 1928 to 1956.

Mann was the author of many books on agriculture and sociology including Land and Labour in a Deccan Village (1903), Statistical Atlas of the Bombay Presidency (1925).