Johannes Justus Rein

His father Kaspar gave up work as a customs officer and the family moved to a farm that he inherited in Mainzlar.

He made various scientific journeys in Europe, Asia, and America, and was appointed professor of geography at the University of Marburg in 1876, and subsequently at Bonn (1883) where he succeeded Ferdinand von Richthofen (1833–1905).

[1][2][3][4] Rein spent the first five months of 1874 in Japan, residing in the German Legation in Tokio [Tokyo] and studying lacquer.

Together with an Account of its Agriculture, Forestry, Arts, and Commerce: from Travels and Researches Undertaken at the Cost of the Russian Government (1889).

[6] Rein revised his first book in 1905 working with his student Yamasaki Naomasa (1870–1929) who had also studied under Albrecht Penck (1858–1945) in Vienna.