Mary Tourtel was created in 1920, at a time when the "Express" was in competition with "The Daily Mail" and its then popular comic strip "Teddy Tail", as well as the strip "Pip, Squeak and Wilfred" in "The Daily Mirror". The then news editor of the "Express", Herbert Tourtel, was approached with the task of producing a new comic strip to rival those of the "Mail" and "Mirror" and immediately thought of his wife Mary, already an established author and artist. Rupert Bear was the result and was first published as a nameless character in a strip titled "Little Lost Bear" on
Two-way alternating Two-way alternating Two-way alternating communications is a term sometimes used to disambiguate the term Duplex (telecommunications). In a two-way alternating communications channel, each endpoint can either send or receive at any given time, but cannot send and receive at the same time. Two-way simultaneous communications lets the endpoints talk and listen simultaneously. Two-way alternating communications are sometimes called half-duplex, but there may be a fine distinction that two-way alternating communications is a property of the communication protocol used between the endpoints, while the underlying communications medium may support either two-way alternating or two-way simultaneous communications. When the medium is shared