<a href="https://www.youtube.com/watch?v=eDiBQgAmZWc&feature=youtu.be">Video</a> of the lecture.<br>
<a href="https://www.youtube.com/watch?v=4T1sLEg8DpQ&t=258s">Waiting room lecture</a>: interview with Curti McMullen<br><br>

 
	Gave the definition of a topological space, and of a connected topological space, and illustrated these two definitions with examples. 