Leiden’s beadle, Willem van Beelen, is retiring on 29 February. How does he look back on his career and what do those in the know have to say about him?

Charles Darwin received an Honorary Doctorate from Leiden University on 9 February 1875. What traces did he leave behind in Leiden?

The success of Dutch radio astronomy in the last century was largely due to Leiden astronomer Jan Hendrik Oort. He made astute use of circumstances in...