I had contacted Miles Hecker's web site about some photo guides and was shocked to hear that he had passed away. I have enclosed the message from his wife. This is a sad loss for the photographic community and all the people he touched.
"My husband, Miles Hecker has died unexpectedly. I will attempt to respond to his emails as promptly as possible and resolve any auto-download problems as they arise.
As a lasting tribute to my husband, Miles Hecker, future electronic sales of his photoguides will be donated to the Miles Hecker Scholarship Foundation as a lasting memory of the work he has made to the educational and photographic communities worldwide.