This theorist identified three “Circles of Concentration,” the smallest of which he called “Solitude in Public.” This writer disseminated his theories in the form of a diary by a fictional student with classmates like “Fatty” and “Prettyface.” In a conceptual diagram called the “Plan of Experiencing,” this theorist drew two lungs connected to a spinal column representing a “supertask.” Drawing on the writings of Theodule Ribot, this thinker formulated the concept of (*) “emotional memory,” which was popularized, in a cruder form, by his admirer Lee Strasberg. This author of An Actor Prepares cast disciple Vsevolod (vuh-SEV-oh-lod) Meyerhold as Treplev in (10[1])his iconic production of The Seagull. For 10 points, name this founder of the Moscow Art Theater, a Soviet director whose “system” formed the basis for Method acting. ■END■