had already become a friend of Sydney Smith
and his family. In Edinburgh she became friendly with members of various intellectual circles, including astronomer John Pringle Nichol
, chemist Samuel Brown
, artist David Scott
in her preface with an immense influence on recent intellectual developments: his ideas, she writes, are tacitly recognised as the foundation of all that is systematic in our knowledge.
Comte, Auguste. The Positive Philosophy of Auguste Comte. Translator Martineau, Harriet, Peter Eckler, 1893.