1. German physicist who discovered x-rays and developed roentgenography (1845-1923)
   - Roentgen, Wilhelm Konrad Roentgen, Röntgen

Type of: physicist

• family Mastodontidae
• family Mastotermitidae
• family Mayacaceae
• family medicine
• family Megachilidae
• family Megadermatidae
• family Megalonychidae
• family Megalosauridae
• family Megapodiidae
• family Megatheriidae
• family Melampsoraceae
• family Melanthiaceae
• family Melastomaceae
• family Melastomataceae
• family Meleagrididae
• family Meliaceae
• family Meliphagidae
• John Cabot
• John Cage
• John Calvin
• John Cash
• John Chapman
• John Charles Fremont
• John Cheever
• John Chrysostom