The passage provides information about a summer session at Brown University for advanced instruction and research in mechanics, which ran from June 23 to September 13, 1941. It also mentions a course titled "Mathematical Theory of Elasticity" taught by I. S. Sokolnikoff in Providence, Rhode Island.The passage provides information about a summer session at Brown University for advanced instruction and research in mechanics, which ran from June 23 to September 13, 1941. It also mentions a course titled "Mathematical Theory of Elasticity" taught by I. S. Sokolnikoff in Providence, Rhode Island.