on the scientific trip to the USA by delegation consisting of A.P. Ershov, S.I. Samoilenko, and V.I. Briabrin

The author was saddened to hear the disease diagnosis, but he is happy for the addressee proceeded with his work. The author wishes quick recovery. He briefly writes about his work.

The author supports the idea of collaboration and promises to communicate about it with Academician Yevgeni P. Velikhov. He informs about his involving in launching a new cource in informatics and computers for Soviet schools.

A draft letter to M.L.Dertouzos with thanks for the book "25 years of computer age".

informing that there is no critical remarks and the article has been send forward

initial requests concerning organization of A.P. Ershov’s trip to the USA in 1970

about his plans to visit the Novosibirsk Computing Center on recommendation of his colleagues, Prof. Dennis and Prof. McCarthy. Attached is a copy of his letter to academician Marchuk.

request to supplement the bibliography on computer graphics with the works of soviet authors

"On-Line Simulation of Block-Diagram Systems" by M.L.Dertouzos, M.E.Kaliski, K.P.Polzen.