Background
He was the son of Adriaan Loosjes, a prolific writer who started a publishing company in Haarlem.
He was the son of Adriaan Loosjes, a prolific writer who started a publishing company in Haarlem.
He translated several books from English into Dutch. He commissioned a painting by January Adam Kruseman which featured the regents as well as a few orphans. He had succeeded his father in that function, who died in 1818.
Loosjes also took his father"s place working for Teylers Stichting.
He also was a member of the Haarlem societies Oefening in Wetenschappen, the chamber of rhetoric Wijngaardranken, and Demokriet.