Before The Renaissance Mathematicus even existed I started my career as a history of science blogger with guest posts on other people’s blogs. Will Thomas at Ether Wave Propaganda was kind enough and generous enough to allow me a relative stranger and a naïve beginner, as a blogger that is, to post on his excellent blog.
That post on Newton’s second scientific publication (he had earlier published a short description of his telescope) his famous paper on his optical experiment with a prism and his theory of colour is today’s ‘Monday blast from the past’. Newton’s Prism Experiments and Theory of Colour
The Renaissance Mathematicus 
5,524 page views and counting! It’s still easily the most-viewed post on my blog, though Chris Donohue’s post on Environmental Determinism is gaining….
I thought I’d do something to boost the numbers a bit.