[2][better source needed] Historically, the duties of the Location Manager were the responsibility of the Assistant Director.
As the film industry grew, a need was identified for greater oversight, to allow ADs to focus on the internal aspects of the set.
A dedicated person focusing on external influences was first seen in the 1950s on large studio features, and became common in the industry by the late 1970s.
They are the first and last people the public sees that represent the production, and are responsible for ensuring that the location is returned to the condition in which it was received.
They need to be aware of the production's needs and know how to best accommodate them while diplomatically ensuring that the requirements of all parties, from the property owners, line producer, director and production designer, to the grip and electric teams lighting and rigging the set, and their teamster brothers with their trucks, trailers and vans.
Additionally, there is the Location Managers Guild International, a non-profit organization dedicated to the promotion and interests of their members and their relations with the general public, communities and industry partners.