Charles Beaumont

death ray n.	1954 ‘C. Beaumont’ Quadriopticon in Magazine of Fantasy & Science Fiction 110 He fired again and again. Soon the Death Ray apparatus was a melted pile of steaming junk.
mutie n.	1956 C. Beaumont & C. Oliver I, Claude in Magazine of Fantasy & Science Fiction Feb. 101 ‘So,’ Claude said without emotion, ‘your Esper Muties would rule the world, yet they cannot spell tyranny.’