Travel to work area legal status. However, they give planners and geographers an alternate view of urban life as their boundaries are tied not to arbitrary administrative limits but socio-economic ties. Having an idea of where people commute from for work is particularly useful for public transport planning. Travel to Work Areas are defined by the Office for National Statistics using census data for commuting between wards, based on the different locations of individuals' home and work addresses. A Travel to Work Area is a collection of wards for which "of the resident economically active population, at least 75% actually work in the area,
Sosigenes the Peripatetic that Alexander of Aphrodisias studied with two Stoic teachers and that these two pairs of homonymous contemporaries are actually only two Stoic philosophers. He is often confused with the astronomer Sosigenes of Alexandria, who advised Julius Caesar on the reform of the Roman calendar. Sosigenes the Peripatetic Sosigenes the Peripatetic () was a philosopher living at the end of the 2nd century AD. He was the tutor of Alexander of Aphrodisias and wrote a work "On Revolving Spheres", from which some important extracts have been preserved in Simplicius's commentary on Aristotle's "De Caelo". Sosigenes criticized both Aristotle and Eudoxus for