From 1856 until 1890 he was attached to the Barnabite college at Moncalieri where he became widely known for his work in meteorology, a science which he advanced not merely by his personal observations and studies but also by the interest which he roused in it throughout Italy.
The Borromeos made various attempts to obtain the Isolino di San Giovanni in the late sixteenth century with the aim of establishing a Barnabite college.
Marsilio Landriani (1594) distinguished himself in various nunciatures and founded a Barnabite college for the education of young men.