@sur_27In the 17th century, Johann Bernoulli issued a challenge to Isaac Newton, giving him six months to solve the brachistochrone problem. Newton received the message on January 26 at 4 PM and worked it out before going to bed that same night.

@sur_27In the 17th century, Johann Bernoulli issued a challenge to Isaac Newton, giving him six months to solve the brachistochrone problem. Newton received the message on January 26 at 4 PM and worked it out before going to bed that same night.