Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Friedrich Wilhelm Georg Kohlrausch (October 14, 1840 January 17, 1910) was a German physicist who investigated the conductive properties of electrolytes and contributed to knowledge of their behaviour. He also investigated elasticity, thermoelasticity, and thermal conduction as well as magnetic and electrical precision measurements. Nowadays, Friedrich Kohlrausch is classed as one of the most important experimental physicists.