Computer scientist (born 1956) who served as Senior Vice President of Knowledge at Google, and who holds the world record for the highest-altitude free-fall jump, which he set on October 24, 2014. Four color glossy 10 x 8 photos of Alan Eustace during or preparing for his world record highest-altitude free-fall jump, each signed in silver ink or black felt tip. In overall fine condition, with some slight lower edge creasing. Accompanied by a Skydiving Museum and Hall of Fame business card belonging to Eustace, who has signed the reverse in black felt tip.