Almost exactly 22 years ago, researcher Nathaniel Borenstein sent his colleagues the world's first-ever email attachment: This adorable photo of his barbershop quartet, The Telephone Chords.

When was the first email sent, and who sent it? What was the first ad to ever run on a web page? How about the first picture uploaded to the Internet? Here are 15 famous Internet firsts that were ...

A computer scientist who helped the Queen send her first email - in 1976 - has died aged 86. Peter Kirstein, dubbed "the European father of the internet", died from a brain tumour last month.