At the Fall, 1940, Convention of the Society of Motion Picture Engineers, the Society's Progress Medal was most appropriately awarded to Walt Disney. His informal response, elaborated into the article, "Growing Pains," appeared in the Journal of the Society of Motion Picture Engineers (January, 1941, Vol. XXXVI, pp. 30- 40.) and is here reprinted because, in addition to providing most significant historical data on the amazing growth and expansion of the animated cartoon during the last twelve years, it is one of the few articles we have ever seen which fully captures the breezy spirit of one of the greatest artists of our day, Walt Disney. […]