diff --git a/tools/gen_authors.sh b/tools/gen_authors.sh
new file mode 100755
index 0000000000000000000000000000000000000000..e1246f08ac89013f29b8582a2415099ee49c3b51
--- /dev/null
+++ b/tools/gen_authors.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# Add organization names manually.
+
+cat <<EOF
+# This file is automatically generated from the git commit history
+# by tools/gen_authors.sh.
+
+$(git log --pretty=format:"%aN <%aE>" | sort | uniq)
+Google Inc.
+The Mozilla Foundation
+The Xiph.Org Foundation
+EOF