Complex sentence: In the late 1960's, Dr. R Adams Cowley was instrumental in the creation of the nation's first statewide EMS program in Maryland, the Division of Emergency Medical Services (now known as the Maryland Institute for Emergency Medical Services and Systems).
Split into simpler sentences: In the late 1960's, Dr. R Adams Cowley was instrumental in the creation of the country's first statewide EMS program, in Maryland. The system was called the Division of Emergency Medical Services (now known as the Maryland Institute for Emergency Medical Services and Systems).