Nikola Tesla (10 July 1856 – 7 January 1943) was a Serbian-American inventor, electrical engineer, mechanical engineer, and futurist best known for his contributions to the design of the modern alternating current (AC) electricity supply system. In an interview in 1933 when Tesla was already 77 years old, he revealed

Nelson Rolihlahla Mandela (18 July 1918 – 5 December 2013) was a South African anti-apartheid revolutionary, political leader and philanthropist who served as President of South Africa from 1994 to 1999. Exercise Before Sunrise Waking up at 5 a.m., Mandela began his day with an hour-long exercise routine. During his

Albert Einstein (14 March 1879 – 18 April 1955) was a German-born theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics). 1. No socks. Ever. Albert Einstein didn’t wear socks was because in his childhood, it took him just a