Billlion is a mathematician who works on inverse problems and lives in the United Kingdom. Interested in Tibetan Buddhism, Sailing and I like to write wikipedia articles about some places I know well (eg Holy Isle, Firth of Clyde, Whaley Bridge).
My favorite beetle (at the moment) is the Devil's coach horse beetle, although I don't want one as a pet!
Homo sapiens mathematicus
The common or European mathematician