Was William Parker involved in the gumpowder plot?

William Parker, 4th Baron Monteagle, was not directly involved in the Gunpowder Plot of 1605 but is best known for his role in its discovery. He received an anonymous letter warning him to stay away from the Houses of Parliament on the opening day, which he took seriously and subsequently informed the authorities. This warning led to the uncovering of the plot to blow up King James I and Parliament. Parker's actions ultimately contributed to the failure of the conspiracy.