Philipp Matthäus Hahn


Philipp Matthäus Hahn was a German pastor, astronomer and inventor.
In about 1763 he devised a precision sundial, or heliochronometer that incorporated the correction for the equation of time.
In 1774 he designed one of the earliest mechanical calculators of which two are known to have survived to the present day. A renowned clockmaker, several horological museums display his works, including the Deutsches Uhrenmuseum which contains a mechanical orrery and a Weltmaschine by the "Priestermechaniker ".

Philipp Matthäus Hahn's influence upon Friedrich Schiller's [Ode to Joy]

According to Reinhard Breymayer, Friedrich Schiller's verses "Brüder - überm Sternenzelt/ muß ein lieber Vater wohnen", reflecting the poet's Philosophy of Love, are a reference to the astronomer and pastor Hahn's Theology of Love.

Primary sources