Complex sentence: Max Joseph Pettenkofer, ennobled in 1883 as Max Joseph von Pettenkofer (3 December 1818--10 February 1901), Bavarian chemist and hygienist, was born in Lichtenheim, near Neuburg an der Donau, now part of Weichering.
Split into simpler sentences: Max Joseph Pettenkofer, ennobled in 1883 as Max Joseph von Pettenkofer (3 December 1818--10 February 1901) was a Bavarian chemist and hygienist. Pettenkofer was born in Lichtenheim, near Neuburg an der Donau, now part of Weichering.