A leader in this industry’s debt to the Waldorf Astoria owner caused his Wardenclyffe Tower to be blown up for scrap. Citizens of Schenectady legendarily came up with an extra $7,500 to lure a titan in this industry, who spent his later years searching for a domestic source of rubber in the Everglades. A company in (-5[1])this industry developed a two-part “stopper” product to fulfill a contract with the Chicago’s World Fair, which displayed its (*) “Egg of Columbus.” (10[1])Tensions in this industry were raised by William Kemmler’s botched execution. A pioneer of this industry ran an “Invention Factory” that contained (10[1])early phonograph prototypes (10[1])and backed a “direct” system over his rival’s “alternating” (10[1])design. For 10 points, George Westinghouse feuded in what industry’s “war of the currents” with Thomas Edison? ■END■ (10[1])