diff --git a/AUTHORS b/AUTHORS
new file mode 100644
index 0000000..6738417
--- /dev/null
+++ b/AUTHORS
@@ -0,0 +1,24 @@
+# Authors ordered by first contribution.
+
+Jessica Orquina <orquina.jessica@epa.gov>
+Michael Tryby <tryby.michael@epa.gov>
+sam hatchett <samhatchett@gmail.com>
+Feng Shang <fshang>
+James Uber <jim@citilogics.com>
+Sam Hatchett <samhatchett@gmail.com>
+Tom Taxon <tntaxon@anl.gov>
+Hyoungmin Woo <woohn@mail.uc.edu>
+Mickey <hyoungmin.woo@gmail.com>
+JinduanChen <jinduan.uc@gmail.com>
+mickey <hyoungmin.woo@gmail.com>
+yuniersoad <yunier.soad@gmail.com>
+jamesuber <jim@citilogics.com>
+Mike Kane <muke195@gmail.com>
+eldemet <eldemet@gmail.com>
+Will Furnass <will@thearete.co.uk>
+Steffen Macke <sdteffen@sdteffen.de>
+Mariosmsk <mariosmsk@gmail.com>
+Elad Salomons <selad@optiwater.com>
+Demetrios Eliades <eldemet@gmail.com>
+
+# Generated by tools/update-authors.sh
diff --git a/tools/update-authors.sh b/tools/update-authors.sh
new file mode 100755
index 0000000..17ea7a6
--- /dev/null
+++ b/tools/update-authors.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+git log --reverse --format='%aN <%aE>' | perl -we '
+
+BEGIN {
+  %seen = (), @authors = ();
+}
+
+while (<>) {
+  next if $seen{$_};
+  next if /\@chromium.org/;
+  next if /<erik.corry\@gmail.com>/;
+  $seen{$_} = push @authors, $_;
+}
+
+END {
+  print "# Authors ordered by first contribution.\n";
+  print "\n", @authors, "\n";
+  print "# Generated by tools/update-authors.sh\n";
+}
+
+' > ../AUTHORS
\ No newline at end of file