It was even written that, at 20, his best days were behind him. He had gone from a wunderkind to an object of sympathy, a hero struggling not to be forgotten.
-- "Owen shines like a beacon amid the wrecks", Times (London), May 29, 2000
In the mid-thirties, he became the youngest and best state director of FDR's National Youth Administration, a Texas wunderkind who at age twenty-eight beat several better known opponents for a south-central Texas congressional seat.
-- Robert Dallek, Flawed Giant
Wunderkind comes from German, from Wunder, "wonder" + Kind, child.