Interviews with Walter A. Haas, Sr., Daniel E. Koshland, Sr., Walter A. Haas, Jr., and Peter E. Haas, the four presidents of the firm since World War I. Comments on the growth of the company from regional manufacturer to multinational corporation; problems of transition from family-owned enterprise to a public one; the company's policy of social responsibility, etc. Appended: photocopies of documents supporting the interviews. with this, as v. 2 (portfolio): Additional documentary material (Copies of annual reports, brochures, articles, clippings, etc.)