Xenarc Small Touchscreen Solutions, a Brief History - American professor - Samuel Hurst. It was he, who in 1971 put forward the idea of creating a small touchscreen and then he immediately implemented it.
When Was Touch Screen Invented (Why & How?)
Touchscreen - Wikipedia
Touchscreen - Wikipedia
Multi-touch - Wikipedia
The 2006 LG Prada was the first capacitive touchscreen phone
Automotive Touchscreens: A History and Future - Estone Technology - ODM OEM Manufacturer
History of TouchScreen Technology timeline
The Royal Air Force and the Invention of the Modern Touchscreen - Embedded Computing Design
When was touch screen technology invented? - Quora
Early Touch Screen Technology, Tomorrow's World
Calaméo - Point of sale touch screen, Touch screen point of sale.