Physicist Robert L. Forward mentioned it in his book <i>Rocheworld</i> (later republished as <i>The Flight of the Dragonfly</i>)in the early 1980&#x27;s, with the concept work being done in the 1970s.<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Solar_sail#Interstellar_flight" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Solar_sail#Interstellar_flight</a>