Born 1951, Amsterdam, Ph.D. Economics, M.D. Philosophy. He was university lecturer in philosophy of science, specialized in mathematical modeling, methodology, formal axiomatics and structural analysis of scientific theories until 2001, jazz-saxophone player [plays] and editor of asb4.com. After leaving academia he got set for Uganda and became captain of a traditional African sailing dhow he built, with local villagers at the shore of Lake Victoria [more: Dhow building logbook], writing Greetings {about lake life} and Bert Tells What He Reads. From 2010 to 2013 the captain used all his early life training in logic, axiomatic structure and Latin to write EthicaWeb, a reference web for students of Spinozae Ethica, which he regards as his best scientific work.