Complex sentence: The Dymaxion Chronofile is Buckminster Fuller's attempt to document his life as fully as possible; essentially a very large scrapbook in which he documented his life every 15 minutes from 1915 to 1983.
Split into simpler sentences: The Dymaxion Chronofile is Buckminster Fuller's attempt to document his life as fully as possible. He created a very large scrapbook in which he documented his life every 15 minutes from 1915 to 1983.