[youtube http://www.youtube.com/watch?v=V-hFORcBj44?wmode=transparent&autohide=1&egm=0&hd=1&iv\_load\_policy=3&modestbranding=1&rel=0&showinfo=0&showsearch=0&w=500&h=375]
The History of Nonlinear Principal Components Analysis, a lecture given by Jan de Leeuw. For those that have ~45 minutes to spare, it’s a very nice talk given in Jan’s characteristic style.
(Source: http://www.youtube.com/)