You can also look at some of his papers that placed in the top 5... start at 1965, then 1966, ...
http://www.gravityresearchfoundation.org/winners_year.html#65
The "high-resolution link" is of better quality but for view in the web browser only. It's unusable for me, because I need to print a document of such technical content to understand it.
I don't understand, why they don't make this historical document open access. PhD theses are anyway publicly available in university libraries (at least in Germany). So why not in electronic form?