G. Howard Kettler was an American mathematician and educator known for his contributions to the field of mathematics, particularly in the areas of statistics and probability. He served as a professor at various institutions, where he focused on teaching and research, helping to advance mathematical understanding. In addition to his academic work, Kettler was involved in developing educational materials and resources for students and teachers. His efforts aimed to improve mathematics education and make complex concepts more accessible, benefiting learners at different levels.