of those for african-american women christine darden comment dorothy vaughan, catherine johnson and mary jackson. [applause] i am so pleased also to let you know that many of the family members of mary jackson and dorothy vaughan and mrs. johnson are here as well. in any been that worked with them with the langley research center. if you see them in the crowd tonight home i am so thrilled that these women who actually lived in the history so i could write to our here. we knew the minute we were raised by them and worship with them and were taught by them or work with them my insurer me that there is the tremendous amount. and having a list of unfilled with another book of life down when researching their lives but one of the most timely and to emphasize is the following. maher never allow fear to get the best of curiosity. had high it takes a powerful imagination to land humans on the moon to bring them back safely and then to have their roots right here in hampton virginia and then to do uh rose calculations for this to come to fruition the tappan better known catherine johnson for the