The arterial switch operation, also called the Jatene procedure, is an operation in which surgeons redirect the flow of blood through abnormal hearts. In 1975, Adib Jatene conducted the first successful arterial switch operation on a human infant. The arterial switch operation corrects a condition called transposition of the great arteries, abbreviated TGA, also called transposition of the grea...

Georges Darzen's name is absent from the Dictionary of Scientific Biography. This is a regrettable omission, on three grounds. He was a creative organic chemist, to whom we owe both the thionyl chloride conversion of alcohols into chlorides and the "Darzens reaction"—an addition-fragmentation which can be seen as the forerunner to the Wittig reaction. He was a perceptive observer of the scienti...