Author and educator Lucy Hawking in 2008
NASA/Paul Alers
<p><a rel="nofollow" class="external text" href="https://www.flickr.com/photos/nasacommons/25707035818/in/album-72157650355462890/">Stephen Hawking speaks at NASA 50th</a>
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<ul><li><a rel="nofollow" class="external free" href="https://www.nasa.gov/50th/NASA_lecture_series/hawking.html">https://www.nasa.gov/50th/NASA_lecture_series/hawking.html</a></li></ul>