Voices In Time Philanthropy 1860 | London Call of Duty Florence Nightingale on what a nurse should be. More
Voices In Time Fear 1872 | Downe Body Language Charles Darwin on the physical expressions of fear. More
Voices In Time Migration 1874 | England Fly Away Home Alfred Newton and Alfred Russel Wallace debate the homing instinct.More
Voices In Time Energy 1865 | Manchester Power Dynamics William Stanley Jevons evaluates natural sources of energy. More