"The Correspondence of John Tyndall: Volume 2" Published, Edited by Janet Browne and Melinda Baldwin

From waterstones.com

"John Tyndall was one of the most influential scientists of the nineteenth century. His correspondents read like a 'who's who' of international science and include: Charles Babbage, Louis Pasteur and Bertrand Russell. Published serially with two volumes per year, this scholarly edition will ultimately present over 7,000 of his letters." Find "The Correspondence of John Tyndall" at Amazon.com.