We describe how and why Magnetic Resource Imaging (MRI) came to complement – and partially replace -- computed tomography (CT) imaging of soft tissue. Specifically we chronicle: 1) the development of foundational techniques and prototypes (through the 1970s); 2) initial commercialization and...

We describe how the development of x-ray-based techniques and equipment (“mammography”) lead to widespread screening for breast cancer and enabled “minimally invasive” biopsies of breast tumors. Specifically, we chronicle how: 1) new protocols and equipment catalyzed the first widespread...