There are many possibilities:
* William Shakespeare: If you mean Shakespeare's tragedies, they were written between 1590 and 1608, spanning the period of his most prolific writing.
* Other "Williams": There are numerous other writers named William who have written tragedies, including William Congreve (late 17th century), William Wycherley (late 17th century), and William Butler Yeats (early 20th century).
Please provide more context so I can help you find the specific information you are looking for.