Add back author names

Author: kwankyu

src/doc/en/thematic_tutorials/explicit_methods_in_number_theory/index.rst

@@ -3,6 +3,8 @@
 Three Lectures about Explicit Methods in Number Theory Using Sage
 =================================================================
 
+.. MODULEAUTHOR:: William Stein (2008)
+
 This article is about using the mathematical software Sage to do
 computations with number fields and modular forms.  It was written
 for the October 2008 Bordeaux meeting on explicit methods in number

src/doc/en/thematic_tutorials/numerical_sage/index.rst

@@ -11,6 +11,8 @@ Numerical Computing with Sage
 
     Beware that this document may be obsolete.
 
+.. MODULEAUTHOR:: Josh Kantor (2008)
+
 This document is designed to introduce the reader to the tools in Sage
 that are useful for doing numerical computation. By numerical
 computation we essentially mean machine precision floating point