The use of the word proactive, sometimes also written pro-active was limited to the domain of experimental psychology in the 1930s. Oxford English Dictionary (OED) credits Paul Whiteley and Gerald Blankfort, citing their 1933 paper discussing proactive inhibition as the "impairment or retardation of learning or of the remembering of what's learned by effects that remain active from conditions prior to the learning". The 1946 book Man's Search for Meaning brought the word to the wider public do… (More on Proactive)