Wacław Sierpiński (1882–1969), the namesake of Sierpiński's triangle, was famously a proponent of zero-based indexing, including in everyday life. Sadly, I can

Wacław Sierpiński (1882–1969), the namesake of Sierpiński's triangle, was famously a proponent of zero-based indexing, including in everyday life. Sadly, I can only find sources in Polish that corroborate this [0]. [0]: https://wyborcza.pl/AkcjeSpecjalne/7,160474,24501452,zaczynali-od-zera-stali-sie-legenda-jak-warszawscy-matematycy.html https://wyborcza.pl/AkcjeSpecjalne/7,160474,24501452,zaczyna...