Answer:
a. Hemingway
Explanation:
The most important author of the lost generation was Ernest Hemingway. He was considered one of the most important American authors of the 20th century.
He was born in 1899, in Illinois and had a very tragic life. He contributed to American literature very much. His book The Old Man and the Sea won the Pulitzer Prize in 1952, while in 1954 he was awarded the Nobel Prize in Literature.
