Artist Data: Juan Oncina was born 1921-04-15. Juan Died: 2009-12-29….

Artist Data: Dennis O’Neill was born 1948-02-25. Dennis Died: 1948-02-25….

Artist Data: Wikipedia: https://en.wikipedia.org/wiki/Simon_O%27Neill

Artist Data: Wikipedia: https://en.wikipedia.org/wiki/Rodrigo_Orrego

Artist Data: Karl Aagard Østvig was born 1889-05-17. Karl Died:…

Artist Data: José Oxilia was born 1861-06-03. José Died: 1919-05-18….

Artist Data: Mark Padmore was born 2009-02-26. Mark Died: 2010-01-25….

Artist Data: Wikipedia: https://en.wikipedia.org/wiki/Ernesto_Palacio

Artist Data: Wikipedia: https://en.wikipedia.org/wiki/Konstantinos_Paliatsaras