Mathematician:Johann Heinrich Lambert
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Mathematician
Swiss mathematician, physicist and astronomer.
The first to introduce hyperbolic functions into trigonometry.
Made conjectures regarding non-Euclidean space.
Credited with the first proof that $\pi$ is irrational.
Nationality
Swiss
History
- Born: 26 Aug 1728, Mülhausen, Alsace (now Mulhouse, France)
- Died: 25 Sept 1777, Berlin, Prussia (now Germany)
Theorems and Definitions
- Seven map projections:
- The Beer-Lambert-Bouguer Law, also known as the Lambert-Beer Law, Beer's Law, the Beer-Lambert Law or Lambert's Law (with August Beer and Pierre Bouguer)
- Lambert (unit)
- Lambert Quadrilateral
- Lambert's Cosine Law
- Lambertian Reflectance
- Lambert Series
- Lambert's Trinomial Equation
- Lambert W Function
Results named for Johann Heinrich Lambert can be found here.
Definitions of concepts named for Johann Heinrich Lambert can be found here.
Publications
- 1760: Photometria
- 1761: Cosmologische Briefe über die Einrichtung des Weltbaues
- 1761: Mémoire sur quelques propriétés remarquables des quantités transcendentes circulaires et logarithmiques
- 1764: New Organon
- 1772: Ammerkungen und Zusatze zurder Land und Himmelscharten Entwerfung
Sources
- John J. O'Connor and Edmund F. Robertson: "Johann Heinrich Lambert": MacTutor History of Mathematics archive
- 1972: George F. Simmons: Differential Equations ... (previous) ... (next): $1$: The Nature of Differential Equations: $\S 4$: Growth, Decay and Chemical Reactions: Problem $6$: Footnote $^2$
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): A List of Mathematicians in Chronological Sequence
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $3 \cdotp 14159 \, 26535 \, 89793 \, 23846 \, 26433 \, 83279 \, 50288 \, 41972 \ldots$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): A List of Mathematicians in Chronological Sequence
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $3 \cdotp 14159 \, 26535 \, 89793 \, 23846 \, 26433 \, 83279 \, 50288 \, 41971 \ldots$
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): Entry: Lambert, Johann Heinrich (1728-77)
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): Entry: Lambert, Johann Heinrich (1728-77)
- 2008: Ian Stewart: Taming the Infinite ... (previous) ... (next): Chapter $2$: The Logic of Shape: Archimedes
- 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): Entry: Lambert, Johann Heinrich (1728-77)