Beck, Guido, 1903-1988.
Guido Beck papers.
Includes letters, documents, and photographs. Correspondents include Werner Heisenberg and Jos ̌Leite Lopes, among others.
Astrophysicists -- Correspondence.
Astrophysics
Scientists -- Brazil -- Archives.
Beck, Guido, 1903-1988. -- Records and correspondence.
AIP-ICOS
Centro Brasileiro de Pesquisas Fs̕icas (CBPF). Rua Dr. Xavier Sigand, 150/4 andar. Library-URCA, Rio de Janeiro, Brazil