John Charles Roubik

John Charles Roubik, a dedicated man of science, educator, and loving family man, passed away peacefully at his home in Mobile, Alabama, on May 12, 2026. Born on January 6, 1943, in Chicago, Illinois, John was a man whose life was marked by intelligence, unwavering loyalty, and a passion that inspired many around him.

Throughout his career, John worked in various roles that showcased his dedication and expertise. Notably, he spent a significant part of his working life at Biotest in Northbrook, Illinois, and later devoted several years serving as a Medical Technologist in Mobile, Alabama. His professional journey was characterized by his commitment to excellence and a deep-seated interest in medical and biological knowledge.

John’s academic achievements were remarkable from an early age. He ranked second in his class at Morton College in Chicago, earning consistent recognition for his outstanding scholarly performance. His sharp intellect and impressive memory enabled him to recall past lessons and engage thoughtfully in diverse discussions, making him an invaluable mentor and source of knowledge to people in the science community.

Beyond his career and academics, John was an avid fossil collector. This passion was a defining part of his life, and it brought his family many memorable adventures across the United States, exploring unique rock formations and inspiring a new appreciation for the natural world. His enthusiasm for this hobby was unparalleled and created lasting bonds and shared experiences for all who joined him.

John was equally known for his practical wisdom and financial acumen. He pridefully imparted to his children the importance of saving and careful spending, teaching them lessons in money management that would serve them throughout their lives. These values reflected his thoughtful approach and his desire to educate not just academically but in everyday matters as well.

A man of great loyalty and commitment, John held a special devotion to his family, honoring especially the wishes and memory of his mother with deep respect. He was the intellectual cornerstone of the family, always ready to assist the children with their schoolwork and engage in meaningful conversations. His influence extended lovingly to each member of his family.

John is survived by his devoted wife, Sandra Roubik, and their children: JJ Roubik, Theresa Roubik, Mary Roubik, Jack Roubik, and Beverly Lullo. He also leaves behind cherished grandchildren, Nathan Roubik, Noah Roubik, and Katie Roubik Harris, along with Katie’s husband Oliver Harris and their son, Archie Harris, John’s great-grandson. Ronald Lullo, his son-in-law, also mourns his loss.

John Charles Roubik’s legacy is one of intellect, firm values, steadfast family devotion, and a lifelong commitment to learning and teaching. His family, friends, and all who knew him will remember him with deep respect and gratitude for a life richly lived and beautifully shared.