Template:Are You Sure/October 22

• ... that physicist and engineer Karl Guthe Jansky discovered radio waves emanating from the Milky Way while investigating sources of static for his employer, Bell Laboratories; that his discovery was widely publicized, and several scientists were interested in Jansky's discovery, but radio astronomy remained a dormant field for several years, as the Great Depression then in progress, and observatories were wary of taking on any new and potentially risky projects?

• ... that cryptologist Laurance Safford established the Naval cryptologic organization after World War I, and headed the effort more or less constantly until shortly after the Japanese attack on Pearl Harbor?