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| title | chunk | source | category | tags | date_saved | instance |
|---|---|---|---|---|---|---|
| Thomas Jefferson | 18/19 | https://en.wikipedia.org/wiki/Thomas_Jefferson | reference | science, encyclopedia | 2026-05-05T04:06:33.894887+00:00 | kb-cron |
=== Linguistics === Jefferson had a lifelong interest in linguistics, and could speak, read, and write in a number of languages, including French, Greek, Italian, and German. In his early years, he excelled in classical languages. Jefferson later came to regard Greek as the "perfect language" as expressed in its laws and philosophy. While attending the College of William & Mary, he taught himself Italian. Here Jefferson first became familiar with the Anglo-Saxon language, studying it in a linguistic and philosophical capacity. He owned 17 volumes of Anglo-Saxon texts and grammar and later wrote an essay on the Anglo-Saxon language. Jefferson claimed to have taught himself Spanish during his nineteen-day journey to France, using only a grammar guide and a copy of Don Quixote. Linguistics played a significant role in how Jefferson modeled and expressed political and philosophical ideas. He believed that the study of ancient languages was essential in understanding the roots of modern language. Jefferson criticized language purists and supported the introduction of neologisms to English, foreseeing the emergence of "an American dialect". He described the Académie Française, a body designated to regulate the French language, as an "endeavor to arrest the progress of their language". He collected and understood a number of Native American vocabularies and instructed Lewis and Clark to record and collect various indigenous languages during their Expedition. When Jefferson moved from Washington after his presidency, he took 50 Native American vocabulary lists back to Monticello along with the rest of his possessions. Somewhere along the journey, a thief stole the heavy chest, thinking it was full of valuables, but its contents were dumped into the James River when the thief discovered it was only filled with papers. Thirty years of collecting were lost, with only a few fragments rescued from the muddy banks of the river. Jefferson was not an outstanding orator and preferred to communicate through writing or remain silent if possible. Instead of delivering his State of the Union addresses himself, Jefferson wrote the annual messages and sent a representative to read them aloud in Congress, which started a tradition that continued until 1913, when President Woodrow Wilson chose to deliver his State of the Union address to Congress verbally and in person.
=== Inventions === Jefferson invented many small practical devices and improved contemporary inventions, including a revolving book-stand and a "Great Clock" powered by the gravitational pull on cannonballs. He improved the pedometer, the polygraph (a device for duplicating writing), and the moldboard plow, an idea he never patented and gave to posterity. Jefferson can also be credited as the creator of the swivel chair, the first of which he created and used to write much of the Declaration of Independence. He first opposed patents but later supported them. From 1790 to 1793, as Secretary of State, he was the ex officio head of the three-person patent review board. He drafted reforms of US patent law which led to him being relieved of this duty in 1793, and also drastically changed the patent system. As Minister to France, Jefferson was impressed by the military standardization program known as the Système Gribeauval, and initiated a program as president to develop interchangeable parts for firearms. For his inventiveness and ingenuity, Jefferson was awarded an honorary Doctor of Law degree from Harvard University in 1787.
== Legacy ==
=== Historical reputation ===
Jefferson is seen as an icon of individual liberty, democracy, and republicanism, hailed as the author of the Declaration of Independence, an architect of the American Revolution, and a renaissance man who promoted science and scholarship. The participatory democracy and expanded suffrage he championed defined his era and became a standard for later generations. Jon Meacham opined that Jefferson was the most influential figure of the democratic republic in its first half-century, succeeded by presidential adherents James Madison, James Monroe, Andrew Jackson, and Martin Van Buren. A Siena Research Institute poll of presidential scholars, which began in 1982, has consistently ranked Jefferson as one of the five best U.S. presidents, and a 2015 Brookings Institution poll of American Political Science Association members ranked him as the fifth-greatest president.
=== Memorials and honors ===