Mary Lou Ingram dedicated her life to science and the pursuit of knowledge. Her professional career spanned nearly 70 years and as a medical doctor her focus was in academic medicine, medical research, and teaching. Her research focused on experimental hematology, radiation biology, cellular biology, and immunology. Her innovations and pioneering work led to the discovery and development of several technologies including automated image analysis systems for the identification and enumeration of hematopoetic cells and the Histoid Bioreactor which results in the formation of 3D tumor models. Marylou has been described as an amazing woman with a zest for life and compassion for her fellow man and as an incredible mentor. As an early female scientist, she paved the way for subsequent generations of women to dream and become scientists as well.