Famous Birthdays·January 4·Jacob Grimm
Jacob Grimm

DEJacob Grimm

Half of the famous Brothers Grimm, he was a rigorous scholar who helped establish linguistics as a science while collecting folk tales that defined childhood.

1785–1863 (age 78)·German linguist, jurist and mythologist·Birthday: January 4

Photo: Hermann Biow · Public domain

Biography

Jacob Grimm was far more than a fairy-tale collector; he was a foundational figure in the birth of German philology. Driven by a Romantic-era passion for national identity, he and his brother Wilhelm gathered oral folk stories, publishing collections that would become global bedtime reading. But Jacob's true academic passion was the structure of language itself. His meticulous work comparing Germanic languages to Latin, Greek, and Sanskrit led to 'Grimm's Law,' a systematic description of sound shifts that became a cornerstone of historical linguistics. This rigorous, scientific approach marked a shift in the field. He later embarked on a monumental project, the 'Deutsches Wörterbook,' a comprehensive German dictionary, cementing his dual legacy: as a guardian of cultural stories and a pioneer of the scientific study of language.

#1 When Jacob Was Born

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Jacob's Life & Times

The world at every milestone

1785Born
1790Started school
1798Became a teenager
1801Could drive
1803Could vote
1806Turned 21
1815Turned 30
1825Turned 40
1835Turned 50
1845Turned 60
1855Turned 70
1863Died at 78
President: Abraham Lincoln

Key Achievements

  • Formulated Grimm's Law, a foundational principle in historical linguistics describing systematic sound changes in Proto-Indo-European languages.
  • Co-authored 'Children's and Household Tales' (Grimms' Fairy Tales) with his brother Wilhelm, a collection that preserved and popularized European folk narratives.
  • Began work on the massive 'Deutsches Wörterbuch,' an authoritative historical dictionary of the German language, though he did not live to see it completed.
  • Authored 'Deutsche Mythologie,' a seminal work on Germanic mythology and its survivals in folklore and superstition.

Did You Know?

He worked as a librarian for Jérôme Bonaparte, the King of Westphalia and Napoleon's brother.

He was one of the 'Göttingen Seven,' a group of professors who protested the abolition of the constitution by the King of Hanover and were subsequently fired or exiled.

He never married, dedicating his life entirely to his scholarly work and to supporting his brother Wilhelm's family after Wilhelm's death.

His work on fairy tales was initially intended as a scholarly resource for fellow researchers, not a book for children.

“The fairy tale is a lie that tells the truth.”

— Jacob Grimm

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