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Post New ItemSigma-Aldrich, established in 1975 through the merger of Sigma Chemical Company and Aldrich Chemical Company, has grown into a leading life science and high technology company. Its founders, Alfred Bader and Thomas Coriell, played pivotal roles in shaping the firm's early trajectory. Now a part of Merck KGaA, Darmstadt, Germany, after a significant acquisition in 2015, Sigma-Aldrich has expanded its
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