English clergyman, political economist, and professor at East India Company College (1805-34). Malthus quantified the relationship
supplies (see subsistence) in his Essay on the Principles
(1798), in which he stated that limited (arithmetic) growth
supplies provides natural checks to increase on the geometric growth
characteristics of human populations
. Malthus was widely read, and his writings directly influenced both Charles Darwin
and A. R. Wallace.