Some people identify the birth of virtual reality in rudimentary Victorian “stereoscopes,” the first 3D picture viewers. Others might point to any sort of out-of-body experience. But to most, VR as we know it was created by a handful of pioneers in the 1950s and 1960s. In 1962, after years of work, filmmaker Mort Heilig patented what might be the first true VR system: the Sensorama, an arcade-style cabinet with a 3D display, vibrating seat, and scent producer. Heilig imagined it as one in a line of products for the “cinema of the future,”
http://www.theverge.com/a/virtual-reality/oral_history