Basel Problem/Historical Note

Historical Note on Basel Problem
The Basel Problem was first posed by in $1644$.

Its solution is generally attributed to, who solved it in $1734$ and delivered a proof in $1735$.

However, it has also been suggested that it was in fact first solved by.

had earlier established that the series was convergent, but had failed to work out what to.

The problem is named after Basel, the home town of as well as of the.