Congratulations to George Tollefson who has been selected as an Oliver Cromwell Gorton Arnold Biological Pre-doctoral Fellow.   Established in 1913 at the bequest of Oliver Henry Arnold, Class of 1865, in memory of his father for postgraduate work in the Biology Department.   The designation of a meritorious student is made by the Associate Dean for Graduate and Postdoctoral Studies in consultation with Graduate Program Directors. George is a second-year graduate student and is conducting his thesis research in the Jeff Bailey lab.