According to this he was very unlikely to have been a stoner.
The experience of the 1960's might lead one to surmise that marijuana use spreads explosively. The chronicle of its 3,000 year history, however, shows that this "explosion" has been characteristic only of the contemporary scene.
The plant has been grown for fiber and as a source of medicine for several thousand years, but until 500 A.D. its use as a mind-altering drug was almost solely confined in India.
The drug and its uses reached the Middle and Near East during the next several centuries, and then moved across North Africa, appeared in Latin America and the Caribbean, and finally entered the United States in the early decades of this century (Snyder, 1970: 129).