Prof. Kazuo Odaki is a Director of Ecology Research Laboratory, Chiba Japan. He was born in 1925 at Chiba prefecture. At early age, he was senior high school teacher in Chiba and did this profession for nearly 40 years. After retirement, he worked nearly 10 years at “Greening Centre of Chiba City” to teach people for “Conservation of Nature”. Dr. Odaki has worked nearly 25 years on ecology of mangrove of Japan, visited all mangrove forests of Southern Japan and India. His books “Ecological Notes of Mangroves” is a one of the best books on mangroves, wrote many books on nature and visited many mangrove areas of the world.