Cleveland Abbe was an American meteorologist and advocate of time zones.
Cleveland Abbe
Portrait of Abbe published in Popular Science Monthly
Cleveland Abbe letter to Wilbur Wright inviting publication of an article on "soaring flight" in the Monthly Weather Review
A time zone is an area which observes a uniform standard time for legal, commercial and social purposes. Time zones tend to follow the boundaries between countries and their subdivisions instead of strictly following longitude, because it is convenient for areas in frequent communication to keep the same time.
Plaque commemorating the Railway General Time Convention of 1883 in North America
The control panel of the Time Zone Clock in front of Coventry Transport Museum