Superman comic book biography of leonard

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It all began with a comic book! At the age of 6, Leonard Kleinrock was reading a Superman comic at his apartment in Manhattan, when, in the centerfold, he found plans for building a crystal radio. To do so, he needed his father's used razor blade, a piece of pencil lead, an empty toilet paper roll, and some wire, all of which he had no trouble obtaining. In addition, he needed an earphone which he promptly appropriated from a public telephone booth. The one remaining part was something called a "variable capacitor". For this, he convinced his mother to take him on the subway down to Canal Street, the center for radio electronics. Upon arrival to one of the shops, he boldly walked up to the clerk and proudly asked to purchase a variable capacitor, whereupon the clerk replied with, "what size do you want?". This blew his cover, and he confessed that he not only