"I think "tough nuts" would be a good idea"

to C.A.R. Hoare's personal data: CV, Photo, list of publications (handwritten)

informing of completion of the work on the book's translation

to the summaries

informing of not being able to take part in the discussion by the invitation of the Royal Society, because of his engagement in the planned Second International Conference in Urgench; requests to send the materials of the discussion

The author asks to send the article "Quantum Theory, the Church - Turing Principle and Universal Quantum Computation" and some other materials.

Pr. Hoare regretfully declines to participate in the Congress panel discussion.

is an answer to Ershov letter of May, 11, 1981.

The author thanks for the addressee's introduction to his book and for fair and frank critigue which he took to his heart.

Publication of a book dedicated to the 60th anniversary of prof. B.A.Trachtenbrot is discussed. A letter to acad. G.I.Marchuk with request to support this project is enclosed.

following by the typescript of Ershov's article dedicated to the 50th anniversary of E.Dijkstra and translated ito English by Tony Hoare.

The death of Dr.C.Elgot is reported. The problems of publishing "A Festschrift for Professor Trachtenbrot" are discussed. The letter from Dr.Dijkhuis of North-Holland Publishing Company is attached.

in reply to the letter of invitation to spend a semester in Oxford University; discussion of approximate dates and possible difficulties

to the books received from Computing Laboratory of Oxford University.