Franz Mertens
was born 177 years ago
20th March 1840

Franz Mertens was a Polish-born mathematician who made contributions to a wide variety of areas. He formulated the Mertens conjecture which (had it been true) would have implied the Riemann Hypothesis.

Find out more at:
http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Mertens.html