Polina JOHNSON Mercer (21 August 1842 - 10 May 1884)holding 7th child, Richard MERCER (b. 24 November 1872 - died young)Polina was daughter of Eliza Jae WEBB Johnson and William Crawford "Croft" JOHNSON and was 1st wife of Tracey Jones MERCER.
The 1800s where the end of the industrial revolution and the birth of scientists.
The Industrial Revolution began around 1760 and ran through the 1840's. Then began the birth of the profession of science. Louis Pasteur, Charles Darwin, Michael Faraday, Thomas Edison, and Nikola Te...