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. Martineau, HarrietTranslator , Peter Eckler, 1893.