[3] In 1598 Uffenbach obtained the citizenship of Frankfurt, after he had married and had taken over the painter's workshop of his father-in-law in 1592.
It is known that he worked on behalf of the council of the city, e.g. he represented the Brückenfreiheit at the tower of Old Bridge of Frankfurt on Main (1610), he colored the figure Justitia for the Fountain of Justicia on Römerberg.
In 1598, he wrote the booklet Zeitweiser (time pointer) containing a printed diptych sundial.
He also was interested in the problem of squaring the circle and published the book with the title De quadratura circuli mechanici.
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