The 2025 Richard E. Tressler Lecture in Materials will be held at 3:05 p.m. Tuesday, April 15, in 101 Agricultural Sciences and Industries Building on the Penn State University Park campus. Arthur Martin, vice president of research and development for North America at Arkema, will deliver the lecture, “Arkema: Innovative Materials for a Sustainable World” and receive the 2025 R.E. Tressler Award.