Birthday profile
Leon Marchlewski, Polish chemist and academic (died 1946)
Leon Paweł Teodor Marchlewski (Polish:; 15 December 1869 – 16 January 1946) was a Polish chemist, the first Director and Honorary Member of the Polish Chemical Society. He was one of the founders in the field of chlorophyll chemistry and a precursor of clinical chemistry.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.
Leon Marchlewski was born in 1869. The year snapshot below places that birthday in its cultural and historical setting: the music and films people were following, the headlines shaping public life, and the everyday prices families encountered.
These figures put everyday life in Leon Marchlewski's birth year beside the site's latest United States snapshot.
| Measure | 1869 | 2026 |
|---|---|---|
| Population | 35.6M | 341 million |
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