Hillel Gershenson

Dr. Hillel Gershenson has a longstanding interest in the intricate world of algebraic topology, dedicating his career to unraveling the complexities of stable homotopy groups. As an Associate Professor Emeritus of Mathematics at the University of Minnesota, he was renowned for his pioneering work in generalizing the Toda bracket, a significant contribution that has left a lasting impact on the field. His research was characterized by a deep curiosity and a unique perspective, often describing his work as "most inapplicable mathematics," a testament to his humor and humility. Beyond his research, Dr. Gershenson was deeply committed to education, particularly in nurturing the next generation of mathematicians. He had a special passion for teaching mathematics to future elementary school teachers, emphasizing the importance of a strong foundational understanding of math. His dedication extended to promoting math education for women and minority students, advocating for inclusivity and diversity within the academic community. His efforts in this area were widely recognized and appreciated by both students and colleagues. Dr. Gershenson was not only a respected academic but also a beloved colleague and friend. Known for his wit and warmth, he fostered a supportive and collaborative environment within the department. His colleagues often remarked on his ability to bring humor and lightness to even the most challenging discussions, making him a cherished member of the university community. Outside of academia, Hillel was a man of many interests. He was an avid birdwatcher, finding joy in the simple pleasures of nature. His love for history made him an amateur historian, always eager to share fascinating stories and insights from the past. Additionally, he was a skilled baker, delighting friends and family with his culinary creations. These hobbies reflected his multifaceted personality and his zest for life. Dr. Gershenson's legacy is one of kindness, wisdom, and a profound love for both mathematics and humanity. He is survived by his wife, children, and granddaughters, who continue to carry forward his values and passion for learning. His contributions to mathematics and education, coupled with his generous spirit, have left an indelible mark on all who had the privilege of knowing him.