Book

\"...Dr. Schaffranke had been in Peenemunde, Germany, where he worked alongside the legendary rocket scientist Werner von Braun.  Schaffranke was the youngest of the group of German scientists including von Braun who were spirited out of Germany by American intelligence agents at the close of World War II and brought to the United States in order to advance the fledgling U.S. rocket program.  Schaffranke worked for the aerospace industry, and before retirement was on a NASA contract as a consultant to the propulsion laboratories in Huntsville, Alabama.\" - Breakthrough Power, Jeane L. Manning & Joel Garbon (2008), p. 11.

Dr. Schaffranke adopted the pseudonym Rho Sigma while working for NASA.