Related Clues:
- Harmful ray type
- Danish physicist Hans Christian
- Alpha, beta, ___ ...
- Kind of ray emitted by a supernova
- The Greek g, third in alphabet
- Gee! Mother is going back and forth before getting to the delta
- Gee! She claims to be a parent before getting to the delta
- That comes before the delta by letter
- Gee! A two-way mother from Greece by letter
- Trees do provide strength for a Danish physicist
- A strange character is Ray, sometimes
- Danish physicist of long ago appearing in big Oxford reference work
- Danish physicist with energy sorted out
- Danish scientist shows strength in the field
- Physicist seen poetically across the street by a boy