J. (Jan) Lens

Project Gutenberg identifies J. (Jan) Lens as the author of Rhandensche Jongens and gives his life dates as 1877–1936. The book is a Dutch work of fiction for younger readers, placing him among the lesser-known voices of early modern Dutch children's literature.

Reliable biographical details about Lens are scarce in the sources I could confirm. Because of that, it is safest to focus on the work itself: Rhandensche Jongens follows a group of boys in the fictional town of Rhanden and has been preserved as a public-domain text, allowing new readers to discover it today.

That limited record can be part of the appeal. Lens remains one of those authors remembered mainly through a surviving story rather than a well-documented public life, which gives his work an added sense of literary rediscovery.