diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index e6c9682..7ecb934 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -45,6 +45,11 @@
 -Autoconf error message fix for libevent detection
 -clock_gettime implementation for OSX
 
+Andrew Bosworth <bosworth@post.harvard.edu>
+- ReadWriteMutex
+- Mutex memory leak fix
+- added callback to redirect logging
+
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 Release 20070401
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