Ernst Lebrecht Henneberg was born in
Wolfenbüttel in 1850 to Heinrich Henneberg and Sophie Rimpau. From 1870 until 1876 he studied mathematics in
Zürich,
Heidelberg, and
Berlin, receiving his doctorate in 1875 from
Hermann Schwarz while in Zürich. After living in Zürich from 1876 until 1878, he became an associate professor for
descriptive and
synthetic geometry and
graphic statics at
TU Darmstat. Not soon after in 1879, he became a professor of mechanics at the university. By 1890, he was one of the founders of the German Association of Mathematicians. From 1890 to 1891 Henneberg had become the dean of the Mathematics and Sciences school, while also acting as the
rector from 1891 to 1893. During both 1902-1905 and 1911-14 he was Dean of the General Department, and on September 30, 1920, he retired from this position. Henneberg was married to Pauline Grunewald; their daughter Paula married the geologist
Werner Janensch. == Honors ==