Frederick D. Gregory by PH November 5, 2018, 2:27 pm See more Previous article Did You Know? Frederick D. Gregory is the First African American to Command a Shuttle Mission Written by PH Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Please input characters displayed above. This site uses Akismet to reduce spam. Learn how your comment data is processed.