Introducing Wirth at the IFIP Congress (1965), Adriaan van Wijngaarden was apparently the originator of the ultimate programming language burn, which Wirth later would charmingly tell about himself:
“Whereas Europeans generally pronounce his name the right way ('Nick-louse Veert'), Americans invariably mangle it into 'Nickel's Worth.' This is to say that Europeans call him by name, but Americans call him by value.”