Historian of science,
Thony Christie is a historian of science. He blogs at The Renaissance Mathematicus and edits Whewell’s Gazette. He lives in Germany.
Philosophy of science
Galileo’s reputation is more hyperbole than truth
History of science
How many great minds does it take to invent a telescope?
Lots of stimulating thoughts in the comments. It is nice to have such well informed and articulate readers.
A lot of people don’t know that Omar Khayyám was one of the greatest Islamic mathematicians who produced a very elegant geometrical method of solving cubic equations.