Thammineni Pullaiah is Professor of Botany (Retired), Department of Botany, Sri Krishnadevaraya University, India. He was President of Indian Botanical Society, President of the Indian Association for Angiosperm Taxonomy, and a member of Species Survival Commission of the International Union for Conservation of Nature (IUCN). He has authored 65 books, edited 40 books, and published over 340 research papers.