The term "Lost Generation" was popularized by the American writer and ex-patriate Ernest Hemingway. To find this answer, you can start by conducting a quick internet search using a search engine like Google. Simply type in the question "Who popularized the term 'Lost Generation'?" and browse through the search results. In this case, Hemingway's name will likely come up as the primary figure associated with the term. To verify the information, you can dig deeper by visiting reputable sources such as literary journals, encyclopedias, or biographies about Hemingway and the literary scene of the 1920s.
