Ôyama Seiho is known for his discovery of Minatogawa man, one of the oldest finds of prehistoric human remains in Japan.
Ôyama was born on 1912/11/2, in Nakagusuku Village, on Okinawa Island. He moved to Canada in 1927, but returned to Okinawa after World War II, settling in Naha and pursuing a career as a businessman. He later became a notable philanthropist.
- Plaques at Ôyama's birthplace in Nakagusuku.