was a Dutch painter, draftsman and printmaker, born in Amsterdam, 13 Feb 1860, died in The Hague, 5 Dec 1931. He came from an artistic family, who lived in Kampen from 1864. There he developed at an early age a lasting love of the Zuiderzee. In Kampen he became friendly with the young Jan Voerman; they entered the Amsterdam academy together in 1876, where Tholen studied under August Allebe. Subsequently he learned technical drawing at the Polytechnische School in Delft until 1878. Thereafter he spent three months in the studio of Paul Gabriël in Brussels, from whom he received his first real instruction in painting. In the following years Gabriël's advice was of particular importance for Tholen, as they worked together en plein air for many summers near Kampen and Giethoorn, among other places. In Gouda (1878-9) and Kampen (1880-85) he taught draftsmanship in order to support himself but after 1885 concentrated entirely on his own work. From 1887 he lived in The Hague, where he became friendly with the painters of The Hague school. He took an active part in the artistic life of The Hague and was a member of the Pulchri Studio.
