hundred and ten individuals in the ninety-five year history of the Society. The roll of honorary members includes the names of prominent American and foreign chemists, including virtually all American Nobel Laureates in Chemistry. Triennial Congress The Executive Committee meets triennially with delegates from local chapters nationwide every 3 years to discuss the business of PLU and to elect the national officers for the next triennium. National officers are elected from PLU members that are faculty, governmental, or industrial chemists. Voting delegates are graduate or undergraduate PLU members with each chapter being able to cast one vote on each issue raised or national office being elected. Active chapters may send one voting delegate whose travel expenses will be reimbursed, although additional delegates from a given chapter and At-large members are also invited to attend. References External links ΦΛΥ Society Homepage Honor societies Student organizations established in 1899 1899 establishments in Illinois