maclaurin was to make two journeys to london, and the first of these he made in 1719. maclaurin had already shown himself a very strong advocate of the mathematical and physical ideas of newton , so it was natural that they should meet during maclaurin's visit to london.

This is all lower case. Can you fix that?
Maclaurin was to make two journeys to London, and the first of these he made in 1719. Maclaurin had already shown himself a very strong advocate of the mathematical and physical ideas of Newton , so it was natural that they should meet during Maclaurin's visit to London.