. Susan Stap, a professional tennis player, contracted to play tennis for the Chicago Aces Tennis Team of the World Team Tennis League. The contract, obligating the Chicago Aces to pay Stap a base salary and certain bonuses, was made on January 24, 1974. the contract stated that the "Chicago Aces Tennis Team Inc. employs Susan Stap to perform in or on behalf of the Club's participation in World Team Tennis" Throughout the remainder of the contract, the designations "Club" and "player" were used in the provisions concerning compensation, benefits, and employment duties. The contract was signed by Stap and by the "Chicago Aces Tennis Team, Inc., by Jordan H. Kaiser, Pres." the Chicago Aces were not incorporated until May 1974, and amendment to the contract changed Stap's bonuses. The amendment was signed by Stap and by "jockk Miller, General Manager, Chicago Aces." The Chicago Aces folded, failing to pay Stap the required salary and bonuses. Stap sued Jordan Kaiser on the contract. Is Kaiser liable on the contract with Stap?