Hanuman Chalisa Was composed by Tulsidas, a sixteenth-century poet-saint who was also a philosopher and reformer. Tulsidas can also be renowned since the composer of Ramcharitmanas for his devotion to Shri Rama. It is actually famous that Tulsidas would recite the Hanuman Bahuka to heal himself of his major arm https://www.youtube.com/watch?v=ufkmD95y7fE&t=1s