<a href="https://en.wikipedia.org/wiki/Neil_deGrasse_Tyson" class="extiw" title="w:Neil deGrasse Tyson">Neil deGrasse Tyson</a> speaks on a video by the United States Department of Education in 2012. Original video title: Neil deGrasse Tyson Thanks Teachers, U.S. Department of Education, May 9, 2012.
<a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=Kg588wefGO0">United States Department of Education</a>
2012-05-09
<a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=Kg588wefGO0">Neil deGrasse Tyson Thanks Teachers</a> (<a rel="nofollow" class="external text" href="https://web.archive.org/web/20140927140142/https://www.youtube.com/watch?v=Kg588wefGO0">archived</a>)