Panchanan Maheshwari, Indian botanist and microscopist (Jaipur, Rajasthan 09 November 1904 – Delhi 18 May 1966)
Worked embryological aspects of many plants belonging to more than 1000 species
First to describe many embryological features peculiar to aquatic plants
First to study fertilization under experimental conditions
Performed the first experiment of direct pollination of ovules with formation of viable cells in vitro
With N.S. Rangaswamy & K. Kanta. Test tube fertilization in a flowering plant. Nature 194:1214-7, 1962
Standardized the classification of embryo sac types
Authored An Introduction to the Embriology of Angiosperms (1950), the first work in this field and translated into several languages
Developed Maheshwari fluid
HONORS
Panchanania Subramanian & Nair 1966 (Fungi)
Maheshwariella Pant & Nautiyal 1963 (Fossil Seed)