He is especially noted for his determination of atomic weightsthe development of modern chemical symbolshis electrochemical theorythe discovery and isolation of several elements, the development of classical analytical techniques, and his investigation of isomerism and catalysisphenomena that owe their names to him. He was a strict empiricist and insisted that any new theory be consistent with the sum of chemical knowledge. Education and career Berzelius studied medicine at Uppsala University from toand from to he served as a professor of medicine and pharmacy at the Karolinska Institute. He became a member of the Royal Swedish Academy of Sciences in and served from as its principal functionary, the perpetual secretary.
Reports and photographs by United States—based newspapersmagazines and news organizations including news websites that "[publish] regularly"  are eligible for the journalism prize.
Inmagazines were allowed to enter for the first time in two categories Investigative Reporting and Feature Writing. Bythis provision had expanded to three additional categories International Reporting, Criticism and Editorial Cartooning.
Often thought of as the grand prize, and mentioned first in listings of the journalism prizes, the Public Service award is only given to the winning news organization.
Alone among the Pulitzer Prizes, it is awarded in the form of a gold medal.
There are six categories in letters and drama: There is one prize given for music: There have been dozens of Special Citations and Awards: In addition to the Prizes, Pulitzer Travelling Fellowships are awarded to four outstanding students of the Graduate School of Journalism as selected by the faculty.
Changes to categories[ edit ] Over the years, awards have been discontinued either because the field of the award has been expanded to encompass other areas, the award been renamed because the common terminology changed, or the award has become obsolete, such as the prizes for telegraphic reporting.
An example of a writing field that has been expanded was the former Pulitzer Prize for the Novel awarded —which has been changed to the Pulitzer Prize for Fiction, which also includes short storiesnovellasnovelettesand poetry, as well as novels.
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Jöns Jacob Berzelius: Jöns Jacob Berzelius, one of the founders of modern chemistry. He is especially noted for his determination of atomic weights, the development of modern chemical symbols, his electrochemical theory, the discovery and isolation of several elements, the development of classical analytical techniques.