Jan Marek Hartman (born 18 March 1967[1] in Wrocław) is a Polish of Jewish descent philosopher specializing in bioethics, writer, anticlerical, opinion journalist and politician, professor of the humanities.

He is the son of mathematics professor Stanisław Hartman [pl] and a great-great grandson of rabbi Izaak Kramsztyk.

[5] In his philosophical work Hartman focuses on ethics and bioethics, his scientific interests also include especially metaphilosophy and political philosophy.

2014 proved to be very onerous for the party when it received mere 3.6% of the votes in the elections to the European Parliament of 2014, lagging far behind its rivalry Democratic of the Left Alliance.

Despite proving his loyalty, Hartman soon lost his membership after publishing on his blog an article[9] regarding recent debates on the legality of incest in Germany (by the Deutscher Ethikrat) and proposing to open a discussion on this topic in Poland.