Preheat the oven to 350 degrees.

In a large mixing bowl combine the flour, baking powder, salt, and cinnamon.  Set aside.

In another large mixing bowl cream the butter and the sugars together. 

Beat in the eggs one at a time until well combined.  Stir in the vanilla.

Stir the flour mixture into the wet ingredients and mix until no flour is visible.

Stir in the oats and raisins until just combined.

Drop cookies by heaping teaspoon onto a cookie sheet making sure the cookies are 2 inches apart.  Bake for 11-13 minutes or until golden brown.

Remove from oven and and cool on a wire rack.