Father of Botany

Theopharastus & Linnaeus

Father of Agronomy

Pietro de'Crescenzi

Father of Agro Climatology

Koppen

Father of Agro Meteorology

D N Walia

Father of Agro Meteorology in India

L A Ramdas

Father of Genetics

Gregor Johann Mendel

Father of Experimental Genetics

Thomas Hunt Morgan

Father of Natural Farming

Masanobu Fukuoka

Father of Organic Farming

Albert Howard

Father of Mycology

Pier Antonio Micheli

Father of Indian Mycology

E J Butler

Father of Indian Rust

K C Mehta

Father of Agricultural Chemistry

Justus Von Leibig

Father of Nematology

N A Cobb

Father of Antibiotics

Alexander Flaming

Father of Biology

Aristotle

Father of Bacteriology

Anton Van Leuwenhoek

Father of Forest Pathology

Robert Haring

Father of Statistics

R A Fisher

Father of Modern Tillage

Jethro Tull

Father of Plant Physiology

Stephen Hales

Father of Microbiology

Louis Pasteur

Father of Cytology

Robert Hooke

Father of ATP Cycle

Fritz Albert Lipmann

Father of Medical Bacteriology

Robert Koch

Father of Pure Culture Technique

Oscar Brefeld

Father of Ornamental Gardening

M S Randhwa

Father of Economic Ecology

M S Swaminathan

Father of Tissue Culture

Gottlieb Haberlandt

Father of Modern Biochemistry

Carl Alexander Neuberg

Father of Modern Biochemistry in India

Bires Chandra Guha

Father of Sociology

Auguste Compte

Father of Modern Sociology

R K Meston

Father of Fermentation

Louis Pasteur

Father of Extension 

J P Leagans

Father of Demonstration

Seaman A Knapp

Father of Field Plot Experiment

J B Bousingault

Father of Extension Education in India

K N Singh

Father of Economics

Adam Smith

Father of Fruits & Vegetables Preservation

Nicolas Appert

Father of DNA finger printing technique

Alec Jeffry

Father of Cytoplasmic Inheritance

Carl Correns

Father of Genetic Engineering

Paul Berg

Father of Green Revolution

N E Borlaug

Father of Modern Economics in India

Mahadev Govind Ranade

Father of Crop Rotation

Nor Fork

Father of Golden Rice

Ingo Potrykus

Father of Hybrid Rice

Yuan Longping

Father of Hybrid Cotton

C T Patel

Father of Indian Plant Breeding

B P Pal

Father of Indian Remote Sensing

P R Pishroty

Father of Immunology

Edward Jenner

Father of Mutation Theory

Hugo De Vries

Father of Nitrogen Fixation

Winogradsky

Father of Pedology

V V Dokuchalev

Father of Ecology

Reiter

Father of Parasitology

F Platter

Father of Plant Anatomy

Grew

Father of Phylogenetic Inheritance

Kolreuter