The lost generation was a generation of artist that made their works after world war 1. They were called so because they felt disillusioned and depressed about the state of the world so they made art about it. Most of them were American, but there were some British people like T.S. Elliot who migrated to England.
While the verified answer is correct, if you are asking from Plato then the best answer as stated in the lesson as well is 'the deaths of young soldiers who might have become skilled professionals had they survived." They are referred as the lost generation because most of them died due to the war and never got a chance to grow up and achieve their true goals. They died before they could go to college, start a career, and have a family. Therefor the "Lost Generation."
It helps us build opinions and have points of view on things in life. Without knowledge, one cannot be successful in life. To grow in one's career, gaining as much knowledge as possible is important.
