History of Virtual Reality
Morton Heilig / Wikimedia, Tiny Fox Lab

The first virtual reality headset was patented in 1960 by inventor Morton Heilig; the head-mounted display had two screens and was known as the “Telesphere Mask” – this device featured stereoscopic (3-D) TV, wide vision and true stereo sound.Tiny Fox Lab Facts

Preview photo credit: Morton Heilig / Wikimedia
Source: https://interestingengineering.com/the-history-and-science-of-virtual-reality-headsets