| RONTGEN | Wilhem Conrad _; German physicist who discovered X-rays (7) |
| FAHRENHEIT | Gabriel ___, German physicist who invented the mercury thermometer (10) |
| GEIGER | Hans ___, German physicist who devised a counter to measure radiation in 1908 (6) |
| ROENTGEN | German physicist who discovered x-rays and who has the unit of radiation exposure named after him (8) |
| FARADAY | English physicist who discovered electromagnetic induction (7,7) |
| MICHAEL | English physicist who discovered electromagnetic induction (7,7) |
| OERSTED | Ted Rose (anag) - Danish physicist who discovered electromagnetism (7) |
| CROOKES | Sir William -; chemist and physicist who discovered thallium and invented the spinthariscope (7) |
| THOMSON | Nobel Prize-winning physicist who discovered the electron in 1897 (7) |
| GILBERT | Physicist who discovered how to make magnets and coined the new Latin word "electricus" (7) |
| ALVAREZ | Physicist who discovered the iridium layer and proposed that the mass extinction of dinosaurs was caused by an asteroid impact (7) |
| HEISENBERG | Werner Karl ___, German physicist and Nobel Laureate who formulated the uncertainty, or indeterminacy, principle in 1927 (10) |
| OHM | Georg Simon ___ German physicist after whom the unit of electrical resistance was named |
| AIKEN | Conrad ___, US poet who authored 1927 novel Blue Voyage (5) |
| PLANCK | German physicist who founded quantum theory, Max ___ (6) |
| MAXPLANCK | German physicist who first formulated the quantum theory (3,6) |
| NERNST | German physicist who developed the third law of thermodynamics |
| ABBE | Ernst -; German physicist, who worked with Carl Zeiss to improve the microscope (4) |
| HANSGEIGER | German physicist who developed an instrument for detecting radiation (4,6) |
| HERTZ | German physicist who was the first to broadcast and receive radio waves (5) |