A local historian and retired educator and his wife were seriously injured in a head-on collision Saturday afternoon. Charles and Kathy Finley of Dawsonville were airlifted to Grady Memorial Hospital in Atlanta in critical condition following a two-car collision on Ga. 53 near the Dawson-Forsyth county line. The driver of the second vehicle, Mickey Bunton, was flown to Atlanta Medical Center in serious but stable condition, according to Dawson County Emergency Services Battalion Chief Robby Lee.