<Li> Ferdinand Vandeveer Hayden (1829--1887), USA, pioneer Western geologist </Li> <Li> Robert Hazen (born 1948), USA, mineralogist and astrobiologist </Li> <Li> Hollis Dow Hedberg (1903--1988), American geologist </Li> <Li> Bruce Heezen (1924--1977), American geologist who first mapped the Mid-Atlantic Ridge </Li>

Who is known as father of geology in india