Richard Dixon Oldham FRS 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.
- Occupation
- geophysicist, geologist, seismologist, photographer
- Position held
- President of the Geological Society of London
- Citizenship
- United Kingdom, United Kingdom of Great Britain and Ireland
- Born
- July 31, 1858
- Died
- July 15, 1936
