Who is famous for the objective presentation of deep knowledge about human psychology?

William Shakespeare is the greatest English dramatist. He is famous for the objective presentation of his deep knowledge about human psychology.
He was born on 23 April, 1564 AD and died on 23 April, 1616 AD.
His Birth place is Stratford Avon. He is often called the bard of Avon.
The Shakespearean period belongs to '1590-1616'. He wrotes 37 plays and 154 sonnets.
Source: An ABC of English Literature, Dr. M Mofizar Rahman and Website Lecture.