Krafft Arnold Ehricke (1917–1984), rocket-propulsion engineer and advocate for space colonization
Arnold Schwarzenegger | Arnold Schoenberg | Benedict Arnold | Arnold Palmer | Arnold Bax | Matthew Arnold | Eddy Arnold | Hey Arnold! | Henry H. Arnold | David Arnold | Arnold Wesker | Thomas Arnold | Arnold Toynbee | Arnold Rothstein | Arnold Friberg | Arnold Dreyblatt | Arnold Bennett | Arnold Sommerfeld | Richard R. Arnold | Arnold Moss | Arnold Fanck | Arnold Böcklin | Arnold Arboretum | Arnold | Richard von Krafft-Ebing | Johnny Arnold | Frances Arnold | Arnold Zweig | Arnold Vosloo | Arnold Rüütel |
Other notable scientists who wrote for FEF publications and lectured under its auspices include Friedwardt Winterberg, Krafft Arnold Ehricke, and Winston H. Bostick.