Heinrich Jacobi was son of
Louis Jacobi (another archaeologist of the Roman Empire) and his wife Henriette Will. He studied architecture from 1886 to 1891 at the
Technischen Hochschule Charlottenburg; during his studies he belonged to the Landsmannschaft Normannia fraternity. From 1895 to 1896, he led excavations in
Adamclisi in Romania and travelled to see excavations of Roman sites in north Africa. He was later
Regierungsbauführer (
referendary) in
Marburg, where in 1896 he became
Regierungsbaumeister (
Assessor). In 1899, the Prussian government gave him a job in Homburg vor der Höhe. There he became a member of the Royal Buildings Council (Königlichen Baurat) and State Building Inspector (Landesbauinspektor), both in 1911. The following year he succeeded his father as director of the
Saalburgmuseum. He also collaborated with his father on the restoration of the
Saalburg. He designed a Protestant Gedächtniskirche on the Weberstraße in the Kirdorf district of Bad Homburg – this opened on 18 August 1913. His first marriage to Henriette Louise was childless, though they adopted a daughter, Hildegard, nicknamed Hilde. In autumn 1914 he became a
Hauptmann of the
Landwehr in the Ersatz-Bataillon of the 80th Fusilier Regiment in
Wiesbaden. In 1915, he was put in command of a battalion of the 83rd Reserve Infantry Regiment in Homburg After the end of the
First World War he resumed his duties as director of the Saalburgmuseum. After his first wife's death in 1925, he remarried in 1926 to Henriette Louise Johanna Trapp, daughter of
Eduard Christian Trapp. Heinrich also received an honorary doctorate in 1926. He held his post as director until 1936, well past the usual age limit, and took on the role again from 1945 to 1946. == Awards ==