http://en.wikipedia.org/wiki/Steen_Eiler_Rasmussen

http://aarch.dk/skolen/aktuelt/nyheder/nyhed/?tx_ttnews%5Btt_news%5D=97&tx_ttnews%5BbackPid%5D=1&cHash=88b64f8376

http://downol.dr.dk/download/bonanza/thumbs/000055068.jpg