microscope
John Thomas Redmayne was a British surgeon, physician and amateur naturalist.
Redmayne trained as a physician and surgeon in Glasgow, then received his diploma at Guy's Hospital in London and was licensed by the Royal College of Physicians in Edinburgh.
In addition to being a physician, J. Redmayne was an amateur naturalist, he became interested in microscopy and specialized in diatom algae. He is considered one of the most successful microphotographers of the time, and his founding of the Bolton Microscopical Society allowed him to concentrate on the study of diatoms. His microscopic diatom plates were highly respected, particularly for the relative purity of the species. He also mounted histological preparations. Redmayne gave copies of his book to the Quekett Microscopical Club (which he joined in 1876) and the Royal Microscopical Society.
Martin Frobenius Ledermüller was a German lawyer and amateur naturalist, popularizer of natural sciences.
Ledermüller received a law degree and worked in bureaucratic and legal positions, and it was only at an advanced age that he was able to pursue his favorite occupation - science, to which he would devote himself fully in future studies. The results of his work are the first most beautifully illustrated books of the eighteenth century devoted to microscopes and research with them.
Ledermüller's famous work Mikroskopische Gemüths- und Augenergötzungen was published in 1759 in French and Dutch and has been reprinted several times. The 158 beautifully illustrated pages show all sorts of natural objects, including shells, salts, plants and flowers, insects, human blood and urine viewed through a microscope. Several microscopes and their component parts are also illustrated.
Francis Harry Compton Crick was a British molecular biologist, biophysicist and neuroscientist. He won the Nobel Prize in Physiology and Medicine in 1962.
During World War II he had to work on developments for the military, and in 1947 he turned to biology at the Strangeways Research Laboratory, University of Cambridge. In 1949 he moved to the University Medical Research Council at Cavendish Laboratories. Using X-ray diffraction studies of DNA by biophysicist Maurice Wilkins (1916-2004) and X-ray diffraction images taken by Rosalind Franklin, biophysicist James Watson and Crick were able to construct a molecular model consistent with the known physical and chemical properties of DNA.
This achievement became a cornerstone of genetics and was regarded as one of the most important discoveries of 20th century biology. In 1962, Francis Crick, along with James Watson and Maurice Wilkins, won the Nobel Prize in Physiology or Medicine for determining the molecular structure of deoxyribonucleic acid (DNA), the chemical ultimately responsible for the hereditary control of life functions.
From 1977 until the end of his life, Crick served as professor emeritus at the Salk Institute for Biological Studies in San Diego, California, where he conducted research on the neurological basis of consciousness. He also wrote several books. In 1991, Francis Crick received the Order of Merit.
Giovanni Battista Ferrari was an Italian Jesuit scholar, professor of Oriental languages and botanist.
Giovanni Ferrari had linguistic abilities and at the age of 21 knew Hebrew well, spoke and wrote Greek and Latin perfectly, and learned Syriac. He became professor of Hebrew and rhetoric at the Jesuit College in Rome and edited a Syriac-Latin dictionary in 1622.
Ferrari always showed great interest in the systematics and classification of fruits. He was appointed head of the chair of Hebraistics at the College of Rome and held this position for 28 years. In 1623, Ferrari became horticultural advisor to the family of Pope Urban VIII at the Palazzo Barberini, which soon became famous for its rare plants, including orange trees. Ferrari later wrote the first book on citrus trees, equating them to the mythical golden apples of the Hesperides conquered by Hercules. Orange trees became an important element of Baroque gardens, symbolizing the rewards earned by the magnanimous prince. The scientist also described the medicinal properties of citrus fruits.
In 1633, the first treatise on floriculture, De florum cultura, was published. In it, Ferrari describes garden layout with contemporary examples, flower specimens and their cultivation, and general horticulture.
Jan Swammerdam was a Dutch naturalist and biologist, anatomist and microscopist.
Swammerdam graduated from the Faculty of Medicine at Leiden University, then studied in Paris, earning a doctorate in medicine, and devoted himself exclusively to microscopic research. He used a single-lens microscope to study insect anatomy, and accurately described and illustrated the life history and anatomy of many species. His observations of their development allowed him to divide insects into four major divisions according to the degree and type of metamorphosis. His greatest contribution to biology was to understand insect development and to demonstrate that the same organism persists through different stages.
Jan Swammerdam wrote a voluminous work entitled A General History of Insects (1669) and The Bible of Nature (1737-1738), one of the finest collections of microscopic observations ever published. Considered the most accurate of the classical microscopists, he was the first to observe and describe erythrocytes in 1658.
Swammerdam was also a recognized anatomist: in 1670 he was granted the privilege of dissecting human bodies in Amsterdam, which at the time required a special license available only to a limited number of researchers. He developed a new dissection technique and also designed several new instruments.
Jan Swammerdam was a Dutch naturalist and biologist, anatomist and microscopist.
Swammerdam graduated from the Faculty of Medicine at Leiden University, then studied in Paris, earning a doctorate in medicine, and devoted himself exclusively to microscopic research. He used a single-lens microscope to study insect anatomy, and accurately described and illustrated the life history and anatomy of many species. His observations of their development allowed him to divide insects into four major divisions according to the degree and type of metamorphosis. His greatest contribution to biology was to understand insect development and to demonstrate that the same organism persists through different stages.
Jan Swammerdam wrote a voluminous work entitled A General History of Insects (1669) and The Bible of Nature (1737-1738), one of the finest collections of microscopic observations ever published. Considered the most accurate of the classical microscopists, he was the first to observe and describe erythrocytes in 1658.
Swammerdam was also a recognized anatomist: in 1670 he was granted the privilege of dissecting human bodies in Amsterdam, which at the time required a special license available only to a limited number of researchers. He developed a new dissection technique and also designed several new instruments.
