Chanakya was an ancient Indian teacher, philosopher, and royal advisor. He served as the prime minister of the first Maurya emperor Chandragupta Maurya. He is considered one of the earliest political thinkers and writers, known for his work Arthashastra and for envisioning the first Indian empire. Some key aspects of Chanakya's life and works include that he taught at the Takshashila University, helped Chandragupta overthrow the Nanda dynasty, and advised Chandragupta on governance through the treatise Arthashastra which discusses political philosophy, economics, and military strategies.