In 1930, agriculturalist G. Frank Seymour was added to the firm, and, in 1932, Weil Fertilizer Works was started to market plant hormones and other compounds that Frank and Lionel developed. In 1941, Leslie's sons Abram and Henry and Lionel's son Lionel S. became partners. In 1942, the partners established the Weil Employee Trust Fund, a profit sharing plan. Members of the Weil family were active in the University of North Carolina System, Goldsboro community affairs, and in Jewish life in North Carolina and the nation.
Papers document the activities, ca.
Also included are family papers, ca. Many letters in the 1890s detail Leslie's experiences as a student at UNC to Hilda in New York City, Chicago, and other locations. Some letters relate to UNC affairs, particularly in the 1930s during the first consolidation of the University and, in 1941, when Leslie, on the Board of Trustees, received an honorary degree. Materials roughly sorted, but usable. Retained by the authors of items in these papers, or their descendants, as stipulated by United States copyright law.