And then there is the Hann window function, sometimes called ...
"named after Julius von Hann, and sometimes referred to as Hanning, presumably due to its linguistic and formulaic similarities to the Hamming window." Wikipedia, window function
Krebs' cycle, HeLa cells and Lugol's formula in medicine as well; And also an Allen key, a Phillips screwdriver, many of the physical units (Ampere, Volt, Tesla, Weber, Newton, ...).
It happens in all fields. For that matter, the Hebrew word for masturbation is named after Onan, who was described in the bible as having done so.