James C. Larson has been named a vice president of General Research Corp. and director of its Washington operations.GRC is a wholly owned subsidiary of Flow General Inc. of McLean.

Corillium Corp., a Fairfax-based developer of high-technology electrolytic metallurgical coatings, announced the following appointments: George E. Oleson, president; Lawrence A. Wheeler, executive vice president; Col. Richard deF. Cleverly, vice president for corporate communications and secretary; and Paul Elder, comptroller.

Walter H. Diebold has been named president of Scholtz-EFS, a designer of conveyor systems based in Annandale.

James J. Anthony was named manager of engineering for the firm, which is a wholly owned subsidiary of Conrad Scholtz AG of Hamburg, West Germany.

Temple N. Brown has been elected vice president for corporate operations services for Reynolds Metals Co. Julian H. Taylor was named treasurer of the Richmond-based firm.

David S. Wang has been named an associate of the consulting engineering firm of Frederick Ward Associates Inc. of Bel Air. c

Walter J. Bank has been named director of marketing for DCS Corp., an Arlington-based engineering firm specializing in electro-optics, airborne sensor/weapon systems and energy conservation research and development.

Gary I. Kruger has been named assistant secretary and attorney for the Kelly-Springfield Tire Co. of Cumberland.

Jerry S. Mosely has been named ingot product manager for Martin Marietta Aluminum Inc.

Edward T. MacFawn has joined Scope Electronics Inc. as director of retail systems. The firm is a subsidiary of Scope Inc. of Reston.