Professor Raymond Redheffer was a tall, muscular, grey-haired man of 120 in 2370. Redheffer was a technician for the Federation Association for the Advancement of Science sent from Starbase 6 aboard the scoutship Heisenberg to test the Zorka pulse cannon. He was a drinker and poet. He had a visor variant to plug his eyes directly into a broad-band scanner. (TNG novel: Balance of Power)