A chalk talk is an illustrated performance in which the speaker draws pictures to emphasize lecture points and create a memorable and entertaining experience for listeners.
They achieved great popularity during the late nineteenth and early twentieth centuries, appearing in vaudeville shows, Chautauqua assemblies, religious rallies, and smaller venues.
"[2] Like magic lantern shows and Lyceum lectures, chalk talks, with their presentation of images changing in real time, could be educational as well as entertaining.
"[9] The seemingly magical stunts, and the chalk talk artist's power to transform simple images before their audiences' eyes, appealed to magicians.
[14] Canadian cartoonist John Wilson Bengough toured internationally, giving chalk talks both for entertainment and in support of causes including woman suffrage and prohibition.