He co-founded what became the Royal Society and was
appointed by Oliver Cromwell to the
Savilian Chair of Geometry at age 33 despite political and religious opposition, a fair amount
of which was caused by Wallis' signing a document opposing
the execution of King Charles I. A
bitter twenty year dispute with Thomas Hobbes started in 1655: whatever points Hobbes may
have had as a philosopher, his claim of squaring the
circle was demolished by Wallis. In 1657
there was more controversy when Wallis was appointed keeper of the Oxford University
Archives. When the monarchy was restored in 1660, King Charles II confirmed
Wallis'
appointment to the Savilian Chair , made Wallis the Royal Chaplain and nominated him to a
committee to revise the Prayer Book.
a third-order
cochleoid