DENDROLOGY

Detailed explanation-1: -Wilhelm Hofmeister, (born May 18, 1824, Leipzig-died January 12, 1877, Lindenau, near Leipzig), German botanist whose investigations of plant structure made him a pioneer in the science of comparative plant morphology. Hofmeister entered his father’s publishing business at the age of 17.

Detailed explanation-2: -Jagadish Chandra Bose, made pioneering contributions in many fields, like maths, physics, biology, botany, archaeology etc. He invented crescograph for measuring plant growth. He is generally regarded as ‘father of indian plant physiology’.

Detailed explanation-3: -Stephan Hales is known as the father of plant physiology. He was an English priest who played a crucial role in scientific fields which include botany, pneumatic chemistry and physiology.