Microfilm and microfiche contain miniaturized images of pages from printed text such as archival documents, newspapers, magazines, journals, and books.These formats are used to preserve fragile materials and to save space in a library. Microfilm is a spool of 16mm or 35 mm film:Microfiche is a card:icrofilm and microfiche contain miniaturized images of pages from printed text such as archival documents, newspapers, magazines, journals, and books.
Alexander Pushkin, Black Russian poet and novelist. *The birth of Alexander Pushkin in 1799 is celebrated on this date. He was a Black Russian poet and the great-grandson of Abraham Hannibal, an African general and friend of Peter the Great. As a child, Alexander Sergeyvich Pushkin displayed a talent for writing poetry.
Famous Psychologist: Ivan Pavlov. Ivan Pavlov is widely known for first describing the phenomenon now known as classical conditioning in his experiments with dogs. Ivan Petrovich Pavlov. Ivan Petrovich Pavlov (September 14, 1849 â February 27, 1936) was a Russian physiologist, psychologist, and physician. He was awarded the Nobel Prize in Physiology or Medicine in 1904 for research pertaining to the digestive system. Pavlov contributed to many areas of physiology, neurology and psychology.