Catholic astronomer. He taught mathematics and sciences in the gymnasium of Cologne, Germany from 1827 to 1837, in the high school at Aix-la-Chapelle, Germany from 1837 to 1852, and in the Academy (now University) of Munster from 1852 to 1877. His treatises dealt with his observations of auroral light, sun-spots, comets, zodiacal light, etc. During the Kulturkampf he championed Catholicism. Founded the . First ascertained the point of departure of meteors. Drew up a chart of naked-eye stars visible from Central Europe, which indicated 5,421 stars, included the first authentic map of the Milky Way, and has been used as a basis for other star charts. Made valuable observations of variable stars.
- “Edward Heis”. . CatholicSaints.Info. 7 August 2010. Web. 27 February 2017. <http://catholicsaints.info/edward-heis/>