Later, his host of wacky facial expressions and comedic voices made him a radio personality and helped him become one of the early pillars of Mexican cinema.īorn in the rough Mexico City neighborhood of Tepito, Mr. Martinez was a tap dancer and off-color crooner known for an unpredictable mix of physical comedy and stinging wit. Nicknamed "Resortes" or "Springy" for being light on his feet, Mr. He discovered that his students had trouble with the textbooks available, so he began copying and passing out his lecture notes.Īdalberto Martinez, 87, a zany song-and-dance man who starred in more than 100 films and TV shows over nearly seven decades, died Friday in Mexico City after being hospitalized for a month with a pulmonary infection. The book, first published in 1956, began as lecture notes when he was teaching physiology to medical students in the early 1950s. Guyton, who retired in 1989 as chairman of the Department of Physiology and Biophysics at the University of Mississippi Medical Center in Jackson. The Textbook of Medical Physiology was the life's work of Dr. Guyton was known for his creation of a textbook used to teach medical students around the world for more than 45 years, the invention of an electric wheelchair, and his work for the National Aeronautics and Space Administration. Arthur Guyton, 83, who was considered a pre-eminent cardiovascular physiologist, was killed Thursday in a two-vehicle accident near Pocahontas, Miss.ĭr. Hansen's research revealed, they were filled with bombs that failed to explode or blasts that were smaller than anticipated.ĭr. The first decades of nuclear testing, for example, were not as successful as officials publicly proclaimed. Nuclear Weapons: The Secret History (Orion Books), exposed a wealth of declassified information about America's atomic past. Dubbed an "atomic sleuth" by The New York Times, he analyzed the mountain of obscure reports and memos, piecing together a technical history of the production, design and testing of the weapons in America's nuclear arsenal. Hansen didn't just collect the 10,000 to 50,000 pages of documents that arrived in his mail each year. Using the Freedom of Information Act, the former computer programmer spent three decades requesting copies of the declassified documents from the military, nuclear weapons labs and other government agencies.īut Mr. He assembled what is believed to be the largest private collection of declassified nuclear weapons documents in the United States. Coxeter traveled to a conference in Budapest in July to deliver an address on hyperbolic geometry.Ĭhuck Hansen, 55, a nuclear researcher, died of brain cancer March 26 in the hospice unit of a Palo Alto, Calif., hospital. He published more than 200 articles and wrote 12 books, including Non-Euclidean Geometry (1942) Introduction to Geometry (1961), which became a Book of the Month Club selection and Regular Complex Polytopes (1974).Īttributing his longevity to vegetarianism and a daily regimen of 50 push-ups, Dr. He also made major contributions to the theory of polytopes, which are complex objects of more than three dimensions that, while not existing in the real world, can be described mathematically. Several mathematical concepts have been named for him, including Coxeter groups. Coxeter, whose childhood fascination with symmetry led to his career in mathematics, was driven by the idea that beautiful explanations exist for all puzzles. Buckminster Fuller, died March 31 in his home in Toronto.ĭr. Escher and influenced the architecture of R. Harold Scott MacDonald Coxeter, 96, a mathematician who was hailed as one of the foremost geometricians of his generation and whose ideas inspired the drawings of M.C.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |