Crossword clue
“Leonhard who helped develop calculus”
This clue appeared as 22-Down in the NYT Crossword on Thursday, September 11, 2025. The answer has 5 letters.
Answer · 5 lettersFirst appearance
EULERLetters5
Starts withE
Ends withR
Vowels3
Where this clue has appeared
About this clue
The clue “Leonhard who helped develop calculus” ran in the NYT Crossword on September 11, 2025 as 22-Down. Its answer is a 5-letter word that starts with E and ends with R, with 3 vowels, which often points to a phrase, a name or a borrowed word.
See every answer from the puzzle on the NYT Crossword page for September 11, 2025, or learn how clues like this work in our guide to crossword clue types.
More clues from this puzzle
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FAQ
What is the answer to the “Leonhard who helped develop calculus” clue?+
The answer is EULER (5 letters), from the NYT Crossword of September 11, 2025.
Where has this clue appeared?+
We have seen it 1 time in the NYT Crossword.
How do I find other NYT Crossword answers?+
Open the full list of answers for September 11, 2025, or browse every date on the NYT Crossword hub.