diff --git a/Lib/enum.py b/Lib/enum.py
index c28f345..616b2ea 100644
--- a/Lib/enum.py
+++ b/Lib/enum.py
@@ -476,6 +476,9 @@
     def __str__(self):
         return "%s.%s" % (self.__class__.__name__, self._name_)
 
+    def __bool__(self):
+        return bool(self._value_)
+
     def __dir__(self):
         added_behavior = [
                 m
diff --git a/Lib/test/test_enum.py b/Lib/test/test_enum.py
index 4b5d0d0..0f7b769 100644
--- a/Lib/test/test_enum.py
+++ b/Lib/test/test_enum.py
@@ -270,6 +270,13 @@
             class Wrong(Enum):
                 _any_name_ = 9
 
+    def test_bool(self):
+        class Logic(Enum):
+            true = True
+            false = False
+        self.assertTrue(Logic.true)
+        self.assertFalse(Logic.false)
+
     def test_contains(self):
         Season = self.Season
         self.assertIn(Season.AUTUMN, Season)
diff --git a/Misc/ACKS b/Misc/ACKS
index e26be93..43b4c99 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -877,6 +877,7 @@
 Lukas Lueg
 Loren Luke
 Fredrik Lundh
+Mike Lundy
 Zhongyue Luo
 Mark Lutz
 Taras Lyapun