With Expertise, Even Temperament, City Manager Korthauer Cracks Code Thanks, George. Oneonta City Manager George Korthauer – Oneonta’s first successful city manager – announced Monday, Jan. 13, that he’s heading off into a well-earned retirement. He should go with all our thanks and best wishes. He proved that even the City of Oneonta – feisty, argumentative, proud of its heritage, sure of its opinions – can eventually come to terms with a professional from out of town, and benefiting from…