American aeronautics engineer and industrial designer (1895-1981). Three items: two glossy photos, one 10 x 8 of the N-1M in flight, signed and inscribed in black ballpoint, “Best wishes to Ken Gordon, John K. Northrup”; one 8 x 10 head-and-shoulders photo, signed in black felt tip, “John K. Northrup”; and a one page ALS to a collector, 5 x 8, signed in blue ballpoint and dated 7/24/77. In overall fine condition. RRAuction COA.
