https://www.nsa.gov/History/Cryptologic-History/Historical-Figures/Historical-Figures-View/Article/1622423/lambros-d-callimahos/
Lambros D. Callimahos National Security Agency/Central Security Service Historical Figures View
About Lambros D. Callimahos, an important cryptologist, teacher, and writer.,
lambros d callimahosnational security agencyhistorical figures