Frans Maurits Jaeger was a Dutch chemist

Chemist

A chemist is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties such as density and acidity. Chemists carefully describe the properties they study in terms of quantities, with detail on the level of molecules and their component atoms...

 and specialist in the history of chemistry

Chemistry

Chemistry is the science of matter, especially its chemical reactions, but also its composition, structure and properties. Chemistry is concerned with atoms and their interactions with other atoms, and particularly with the properties of chemical bonds....

. He is known for his studies of the symmetry of crystals.

Biography

Frans Maurits Jaeger was born on May 11, 1877 in The Hague

The Hague

The Hague is the capital city of the province of South Holland in the Netherlands. With a population of 500,000 inhabitants , it is the third largest city of the Netherlands, after Amsterdam and Rotterdam...

, The Netherlands. He started studying chemistry in Leiden in 1895, passing his degree in 1898, and his doctorate in 1900. Thereafter he also studied crystallography

Crystallography

Crystallography is the experimental science of the arrangement of atoms in solids. The word "crystallography" derives from the Greek words crystallon = cold drop / frozen drop, with its meaning extending to all solids with some degree of transparency, and grapho = write.Before the development of...

 in Berlin

Berlin

Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

, Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

.

In 1904 he was appointed assistant professor (privaatdocent) at the University of Amsterdam

Amsterdam

Amsterdam is the largest city and the capital of the Netherlands. The current position of Amsterdam as capital city of the Kingdom of the Netherlands is governed by the constitution of August 24, 1815 and its successors. Amsterdam has a population of 783,364 within city limits, an urban population...

. In 1908 he moved to the University of Groningen

University of Groningen

The University of Groningen , located in the city of Groningen, was founded in 1614. It is one of the oldest universities in the Netherlands as well as one of its largest. Since its inception more than 100,000 students have graduated...

 as lecturer

Lecturer

Lecturer is an academic rank. In the United Kingdom, lecturer is a position at a university or similar institution, often held by academics in their early career stages, who lead research groups and supervise research students, as well as teach...

 and in 1909 was promoted professor

Professor

A professor is a scholarly teacher; the precise meaning of the term varies by country. Literally, professor derives from Latin as a "person who professes" being usually an expert in arts or sciences; a teacher of high rank...

, head of the department of inorganic

Inorganic chemistry

Inorganic chemistry is the branch of chemistry concerned with the properties and behavior of inorganic compounds. This field covers all chemical compounds except the myriad organic compounds , which are the subjects of organic chemistry...

 and physical chemistry

Physical chemistry

Physical chemistry is the study of macroscopic, atomic, subatomic, and particulate phenomena in chemical systems in terms of physical laws and concepts...

, as a successor of Jacob Böeseken.

From 1910 to 1911 he worked as research-fellow of the geophysical laboratory of the Carnegie Institution for Science

Carnegie Institution for Science

The Carnegie Institution for Science is an organization in the United States established to support scientific research....

 in Washington, DC.

In 1915 he became a member of the Royal Netherlands Academy of Arts and Sciences

Royal Netherlands Academy of Arts and Sciences

The Royal Netherlands Academy of Arts and Sciences is an organisation dedicated to the advancement of science and literature in the Netherlands...

. In 1929 he received a George Fisher Baker non-residential lectureship in chemistry at Cornell University

Cornell University

Cornell University is an Ivy League university located in Ithaca, New York, United States. It is a private land-grant university, receiving annual funding from the State of New York for certain educational missions...

 in Ithaca

Ithaca

Ithaca or Ithaka is an island located in the Ionian Sea, in Greece, with an area of and a little more than three thousand inhabitants. It is also a separate regional unit of the Ionian Islands region, and the only municipality of the regional unit. It lies off the northeast coast of Kefalonia and...

 (USA). He retired in 1943.

Frans Maurits Jaeger died on March 2, 1945 in Haren (Groningen)

Haren (Groningen)

Haren is a municipality and a town in the northeastern Netherlands located in the direct urban area of the City of Groningen.- Population centres :*Essen*Glimmen*Haren*Noordlaren*Onnen-External links:*...

, The Netherlands.

Main works

• Kristallografische en molekulaire symmetrie van plaatsings-isomere benzolderivaten (1903)
• Lectures on the principle of symmetry and its applications in all natural sciences (1917)
• Elementen en atomen eens en thans. Schetsen uit de ontwikkelingsgeschiedenis der elementenleer en atomistiek (1918).
• Inleiding tot de studie der kristalkunde.” (Introduction in the study of cristals(1924)