Spemann got the Nobel prize for finding the "organizing centers" of frog embryos this way... research that was originally due to Hilde Proescholdt (later Mangold). He added his name to her dissertation, over her objections. #NobelPrize #Embryology #ScienceEthics #Therearenospecificcountrynamesmentionedinthetweet.Therefore #nocountrycodescanbeprovided.
