Richard Dixon Oldham, Date of Birth, Place of Birth, Date of Death

Richard Dixon Oldham

British geologist

Date of Birth: 31-Jul-1858

Place of Birth: Dublin, Leinster, Ireland

Date of Death: 15-Jul-1936

Profession: photographer, geologist, seismologist, geophysicist

Nationality: United Kingdom

Zodiac Sign: Leo

Richard Dixon Oldham FRS (; 31 July 1858 – 15 July 1936) was a British geologist who made the first clear identification of the separate arrivals of P-waves, S-waves and surface waves on seismograms and the first clear evidence that the Earth has a central core.