Didrik Thomas Johannes Schnitler

Didrik Thomas Johannes Schnitler (9 September 1833 – 15 December 1888) was a Norwegian military officer and war historian.

Personal life He was born in Østre Toten, as the son of military officer Balthasar Schnitler (died 1840) and Bolette Rogneby. He married Nanni Cathrine Sidonia Gudmundson (1833–1901) in 1859,

Career Schnitler graduated from the Norwegian Military Academy in 1854, and went on to study at the Norwegian Military College, where he graduated in 1858. He served at the 2nd Akershusiske Brigade, and then at Kanalvæsenet. From 1859 he was assigned to the General Staff, where he had the title of Adjoint from 1864. The series is an expanded version of works originally written for his lectures at the Military Academy. Volume I covered the Ancient Greek and Macedonian period, volume II covered the Roman period, volume III covered Medieval warfare, and volume IV covered the period up to 1650. A fifth volume, based on his manuscripts, covering the period from 1650 to 1792, was completed and published by his son, Gudmund, in 1905. He was decorated as a Knight of the Order of St. Olav in 1880, and was also a Knight of the Swedish Order of the Sword and Order of the Polar Star, and the Prussian Order of the Crown.