1959 – The programming language LISP had its first public presentation. Created by John McCarthy, LISP offered programmers flexibility in organization.
http://www.computerhistory.org/tdih/April/16/
1971 – Abhay Bhushan proposed FTP (File Transfer Protocol) in RFC 114.
http://tools.ietf.org/html/rfc114
1976 – The Helios-B deep-space probe made what was then the closest controlled approach to the Sun at 43 million km or within 0.3 AU.
http://www.esa.int/esaSC/SEM64967ESD_index_0.html
Read Tom’s science fiction and other fiction books at Merritt’s Books site.