Several well-known scientists were born on September 15, and their contributions have shaped fields like physics, astronomy, and engineering. Here are some of the most notable ones:
🔬 1. Étienne F. A. Geoffroy (1672 – 1731)
· Field: Chemistry, Medicine
· Contribution: Geoffroy was a French chemist best known for his affinity tables, which organized how different substances react with each other.
· His work laid early foundations for chemical reaction theory, which later evolved into modern chemistry.
🧪 2. Agostino Bassi (1773 – 1856)
· Field: Biology, Microbiology
· Contribution: An Italian scientist who discovered that a fungus (Beauveria bassiana) was responsible for silkworm disease.
· His research proved that microorganisms can cause disease — laying the groundwork for germ theory later expanded by Louis Pasteur.
🔭 3. William Lassell (1799 – 1880)
· Field: Astronomy
· Contribution: A british astronomer who discovered Triton, Neptune’s largest moon, on september 15, 1846.
· He also discovered other moons, including Ariel and Umbriel (of Uranus).
⚙️ 4. Mihajlo Idvorski Pupin (1858 – 1935)
· Field: Physics, Electrical Engineering
· Contribution: A Serbian-American physicist and inventor who improved long-distance telephone communication through loading coils.
· He was also a key figure in early wireless communication research and an influential science popularizer.
🧠 5. Oliver H. Lowry (1910 – 1996)
· Field: Biochemistry
· Contribution: An American biochemist who developed the Lowry protein Assay, a widely used method for measuring protein concentration in biological samples.
Why It’s Special
September 15 has given the world scientists who have advanced chemistry, biology, astronomy, and technology. From discovering moons of Neptune to laying the foundation of microbiology, these contributions have had a lasting global impact.
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