George Olshevsky is a freelance editor, writer, publisher, paleontologist, and mathematician living in San Diego, California. Olshevsky maintains the comprehensive, online Dinosaur Genera List. An Editor is a person who prepares text—typically language, but also images and sounds—for publication by correcting, condensing, or otherwise modifying it. ... The term writer can apply to anyone who creates a written work, but the word more usually designates those who write creatively or professionally, or those who have written in many different forms. ... A publisher is a person or entity which engages in the act of publishing. ... A paleontologist carefully chips rock from a column of dinosaur vertebrae. ... Leonhard Euler is considered by many people to be one of the greatest mathematicians of all time A mathematician is a person whose primary area of study and research is mathematics. ... Flag Seal Nickname: Americas Finest City Location Location of San Diego within San Diego County Coordinates , Government County San Diego Mayor City Attorney         City Council District One District Two District Three District Four District Five District Six District Seven District Eight Jerry Sanders (R) Michael Aguirre Scott Peters Kevin... Official language(s) English Capital Sacramento Largest city Los Angeles Area  Ranked 3rd  - Total 158,302 sq mi (410,000 km²)  - Width 250 miles (400 km)  - Length 770 miles (1,240 km)  - % water 4. ...