Sedov, Leonid I.
Signature on a letter of a collector, 4 x 4 inch, signed by Leonid I. Sedov in black ink, in very fine condition.
|Profession||principal engineer behind the Soviet Sputnik project, "father of Sputnik"|
|Size in inch (1 inch = 2.5 cm)||4 x 4|
|Type of Autograph||cards / album pages|