Final answer:
Helen Keller was the first deaf-blind person to graduate high school. She wrote books and gave lectures despite her disabilities, inspiring others.
Step-by-step explanation:
Helen Keller was the first deaf-blind person to graduate high school. She overcame her disabilities and became a renowned author, lecturer, and activist. Despite being deaf-blind, she wrote many books and gave numerous lectures, becoming an inspiration to many.
Learn more about Helen Keller's achievements