Erwin Schrödinger is one of the "fathers of quantum mechanics". He also sexually abused children. Trinity College Dublin recently denamed a lecture theatre that had been named after him - but his name is still on an equation that won the Nobel Prize for physics. And a cat.

Writer and historian Subhadra Das recounts how and why you rename a university building, and retired physicist Martin Austwick considers that renaming an eponymous equation or theory might be more difficult than unscrewing a sign from a wall.