In 1938 a new series of publications started in USA. It was the International Encyclopedia of Unified Science (volumes of which are titled Fundamentals of Unified Science or FUS). An ambitious project never completed devoted to unified science

Unified Science

"Unified Science" can refer to any of three related strands in contemporary thought.* Belief in the unity of science was a central tenet of logical positivism. Different logical positivists construed this doctrine in several different ways, e.g...

. It was an output of the Vienna Circle

Vienna Circle

The Vienna Circle was an association of philosophers gathered around the University of Vienna in 1922, chaired by Moritz Schlick, also known as the Ernst Mach Society in honour of Ernst Mach...

 to address the "growing concern throughout the world for the logic

Logic

In philosophy, Logic is the formal systematic study of the principles of valid inference and correct reasoning. Logic is used in most intellectual activities, but is studied primarily in the disciplines of philosophy, mathematics, semantics, and computer science...

, the history

History

History is the discovery, collection, organization, and presentation of information about past events. History can also mean the period of time after writing was invented. Scholars who write about history are called historians...

, and the sociology

Sociology

Sociology is the study of society. It is a social science—a term with which it is sometimes synonymous—which uses various methods of empirical investigation and critical analysis to develop a body of knowledge about human social activity...

 of science

Science

Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe...

...". Only the first section Foundations of the Unity of Sciences was published; it contains two volumes for a total of twenty monograph

Monograph

A monograph is a work of writing upon a single subject, usually by a single author.It is often a scholarly essay or learned treatise, and may be released in the manner of a book or journal article. It is by definition a single document that forms a complete text in itself...

s published from 1938 to 1969.

Volume I

Encyclopedia and Unified Science (FUS I-1)

Otto Neurath

Otto Neurath

Otto Neurath was an Austrian philosopher of science, sociologist, and political economist...

, Niels Bohr

Niels Bohr

Niels Henrik David Bohr was a Danish physicist who made foundational contributions to understanding atomic structure and quantum mechanics, for which he received the Nobel Prize in Physics in 1922. Bohr mentored and collaborated with many of the top physicists of the century at his institute in...

, John Dewey

John Dewey

John Dewey was an American philosopher, psychologist and educational reformer whose ideas have been influential in education and social reform. Dewey was an important early developer of the philosophy of pragmatism and one of the founders of functional psychology...

, Bertrand Russell

Bertrand Russell

Bertrand Arthur William Russell, 3rd Earl Russell, OM, FRS was a British philosopher, logician, mathematician, historian, and social critic. At various points in his life he considered himself a liberal, a socialist, and a pacifist, but he also admitted that he had never been any of these things...

, Rudolph Carnap, and Charles Morris

Charles W. Morris

Charles W. Morris was an American semiotician and philosopher.-Background:A son of Charles William and Laura Morris, Charles William Morris was born on May 23, 1901...

Foundations of the Theory of Signs (FUS I-2)

Charles Morris

Charles W. Morris

Charles W. Morris was an American semiotician and philosopher.-Background:A son of Charles William and Laura Morris, Charles William Morris was born on May 23, 1901...

Foundations of Logic and Mathematics (FUS I-3)

Rudolph Carnap

Linguistic Aspects of Science (FUS I-4)

Leonard Bloomfield

Leonard Bloomfield

Leonard Bloomfield was an American linguist who led the development of structural linguistics in the United States during the 1930s and the 1940s. His influential textbook Language, published in 1933, presented a comprehensive description of American structural linguistics...

Procedures of Empirical Science (FUS I-5)

Victor F. Lenzen

Principles of the theory of probability (FUS I-6)

Ernest Nagel

Ernest Nagel

Ernest Nagel was a Czech-American philosopher of science. Along with Rudolf Carnap, Hans Reichenbach, and Carl Hempel, he is sometimes seen as one of the major figures of the logical positivist movement....

Foundations of Physics (FUS I-7)

Philipp Frank

Philipp Frank

Philipp Frank was a physicist, mathematician and also an influential philosopher during the first half of the 20th century. He was a logical-positivist, and a member of the Vienna Circle.He was born on 20 March 1884 in Vienna, Austria, and died on 21 July 1966 in Cambridge, Massachusetts, USA...

Cosmology (FUS I-8)

E. Finlay-Freundlich

Foundations of Biology (FUS I-9)

Felix Mainx

The Conceptual Framework of Psychology (FUS I-9)

Egon Brunswik

Egon Brunswik

Egon Brunswik was a psychologist who made contributions to functionalism and the history of psychology.-Early life and career:...

Volume II

2. Foundations of the social sciences / Neurath. Structure of scientific revolutions

The Structure of Scientific Revolutions

The Structure of Scientific Revolutions , by Thomas Kuhn, is an analysis of the history of science. Its publication was a landmark event in the history, philosophy, and sociology of scientific knowledge and it triggered an ongoing worldwide assessment and reaction in — and beyond — those scholarly...

 / Kuhn

Thomas Kuhn

Thomas Samuel Kuhn was an American historian and philosopher of science whose controversial 1962 book The Structure of Scientific Revolutions was deeply influential in both academic and popular circles, introducing the term "paradigm shift," which has since become an English-language staple.Kuhn...

. Science and the structure of ethics / Edel. Theory of valuation / Dewey. Technique of theory construction / Woodger. Methodology of mathematical economics / Tintner. Fundamentals of concept formation in empirical science / Hempel. Development of rationalism and empiricism / Santillana and Zilsel. Development of logical empiricism / Joergensen. Bibliography and index / Feigl and Morris.