Medical Hypotheses, Figureheads, ghost-writers and quant bloggers:
The term ‘quant blogger’ (i.e. quantitative analysis blogger) was invented by Steve Sailer  who is the practicing ‘blogfather’ of an interconnected group of mostly pseudonymous bloggers that have been in some way inspired by Sailer’s example and his (often distinctly ‘non-PC’) interests in issues such as IQ; immigration; evolution; education; politics and sports – often analyzed by sex, class and race. Sailer has blogged many interesting quantitative analyses, including an influential hypothesis of the relationship between ‘affordable family formation’ and politics in the USA.
The Sailer-influenced quant bloggers include the pseudonymous Razib who hosts GNXP (Gene Expression) which includes several other quant bloggers such as the pseudonymous Agnostic and (his real name) Jason Malloy . Other pseudonymous quant bloggers in this Sailer-descended group include Inductivist , Half-Sigma  and the Audacious Epigone .