Punch thumb|left|250px|A cartoon by Tenniel on the subject of the 1867 Lambeth Conference. As the influential result of his position as the chief cartoon artist for Punch, Tenniel remained a witness to Britain's sweeping changes. He furthered political and social reform through satirical, often radical, and at times vitriolic images of the world. At Christmas 1850 he was invited by Mark Lemon to fill the position of joint cartoonist (with John Leech) on Punch, having been selected on the strength of recent illustrations to Aesop's Fables. He contributed his first drawing in the initial letter appearing on p. 224, vol. xix. This was entitled "Lord Jack the Giant Killer" and showed Lord John Russell assailing Cardinal Wiseman.
Punch thumb|left|250px|A cartoon by Tenniel on the subject of the 1867 Lambeth Conference As the influential result of his position as the chief cartoon artist for Punch Tenniel remained a witness to Britain's sweeping changes He furthered political and social reform through satirical often radical and at times vitriolic images of the world At Christmas 1850 he was invited by Mark Lemon to fill the position of joint cartoonist (with John Leech) on Punch having been selected on the strength of recent illustrations to Aesop's Fables He contributed his first drawing in the initial letter appearing on p 224 vol xix This was entitled "Lord Jack the Giant Killer" and showed Lord John Russell assailing Cardinal Wiseman