Corrections to “THz Pioneer—Robert J. Mattauch” [Nov 14 646-652]

In the article on THz Pioneer Robert J.Mattauch (P. H. Siegel, “THz Pioneer: Robert J. Mattauch,” IEEE Trans. THz Sci. Technol., vol. 4, no. 6, pp. 646–652, Nov. 2014), there are several references to the formation of Virginia Diodes (VDI). Associated with all of these references there should be at least one additional person mentioned, Bill Bishop.