History
Marketing and engineering departments of leading corporations in the transportation, robotics, coal, pharmaceutical, architecture, computer, waste energy, steel, aluminum and other industries rely on Point Four Ltd. and Len Martin, owner for advertising, illustration and photography services as well as literature development, web site design and content, and trade show exhibit design and management. Mr. Martin is currently president of Point Four Ltd., a full-service advertising, design, and technical illustration agency located in Pittsburgh, Pennsylvania. In 1983 he formed Point Four Ltd. and in 1997 he formed a Sports Division publishing products primarily about Major League Baseball Ballparks. He is renowned nationwide as the creator of build-it-yourself type ballpark books. In 1993, his first book entitled