Salman Khan

Salman ‘Sal’ Khan is a Bengali-born American entrepreneur and educator, and is most famous for establishing the Khan Academy, a free online based educational system and non-profit organization that has impacted the world’s teachers and students through its collection of over four thousand video lessons on a wide range of topics such as mathematics, history, medicine, astronomy, physics, biology, healthcare, chemistry, cosmology, economics, civics, arts, computers and many others.