H. Clay Van Voorhis was born on 1852-05-11.
H. Clay Van Voorhis died on 1927-12-12.
Charles H. Voorhis was born on 1833-03-13.
Charles H. Voorhis died on 1896-04-15.
H. Van Olphen has written: 'An introduction to clay colloid chemistry' -- subject(s): Clay, Colloids
George H. Clay was born in 1911.
H. Clay Evans was born in 1843.
H. Clay Earles was born in 1913.
Van H. Manning was born in 1839.
H. van Raalte was born in 1881.
Manfred van H. was born in 1944.
Claude H. Van Tyne was born in 1869.
Van H. Wanggaard was born on 1952-04-19.