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  • Karl Lambrecht Corporation
    Karl Lambrecht Corporation
    773-472-5442
    4204 N. Lincoln Ave., 60618  Chicago

    Known as a pioneer in mining of calcite, Karl Lambrecht founded the company in 1933. He was instrumental in developing manufacturing methods which led to calcite's widespread use as an undisputed highest extinction polarizer during all these years. For his contribution, he was awarded the 1975 Davi…