Sergei Tret’iakov – The Writer as Photographer

Nurse as writer, writer as nurse.

Wallace as writer

But despite their differences each man deeply valued the other. Darwin persuaded the British government to award Wallace a pension for services to science. Wallace dedicated his book The Malay Archipelago to Darwin, “as a token of personal esteem and friendship but also to express my deep admiration for his genius and his works.” Wallace also called his 1889 collection of evolutionary essays Da...

Boundary crossing: the physician and the photographer.

Attorney - Photographer - Interpreter - Inspector

Under these major changes, two former classes of occupationally ĵ. deferred men, the 18-to-25-year olds, and the 25-to-30-year olds, have been lumped into a single Class. The requirement for deferment has been changed to "indispensable and irreplaceable to warsupporting activity" instead of the former "necessary' to and regularly engaged in." This means that Federal agen' «ies employing deferre...

And Sergei

We evaluate the matrix elements 〈r〉 for the n-dimensional harmonic oscillator in terms of the dual Hahn polynomials and derive a corresponding three-term recurrence relation and a Pasternack-type reflection relation. A short review of similar results for nonrelativistic hydrogen atom is also given. 1. An Introduction The purpose of this note is to present a simple evaluation of the expectation ...