Paul Baran died late last month. You don’t know the name, but his work informs your daily life in countless ways; Baran was a pioneer in networking, and his work on ARPANET paved the way for the public Internet by which you reach Heathen, among other wonders.
In 1971, when working on ARPANET, he and his group published a list of ways the nacent network might inform our daily lives in the future. All 30 are part of our daily lives today.