Here you can find some portraits of David Hilbert and the persons who made contribution into the solution of Hilbert's Tenth Problem.

• David Hilbert. (6Kb)
• Another portrait of David Hilbert. (30Kb)
• Julia Robinson. (3kb) The picture was taken in 1933, after Julia had graduated from Roosevelt Junior High School.
• Julia Robinson. (28Kb) The picture was taken in 1941.
• Julia and Raphael Robinson. (8Kb)
• Julia and Raphael Robinson. (7Kb) This photograph was taken in Palo Alto in 1962.
• Julia Robinson and Yuri Matiyasevich. (19Kb) The picture was taken in 1971 or in 1975.
• Martin Davis (left), Julia Robinson and Yuri Matiyasevich (right). (28Kb) The picture was taken in 1982 in Calgary, Canada.
• Julia and Raphael Robinson. (15Kb) This photograph was taken in 1984.
• Julia Robinson. (13Kb) The picture was taken in 1985.

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