Jayem: There's more than one valid answer as there are 6 physicists and 6 forms of measurement. Two of each are interchangeable.
Pound and crown are already names of currency units in English... (3 years, 5 months ago)
Translate: What currency into English to give pound? (3 years, 5 months ago)
feynmanski: Out of all the Physicists, how long did it take to find Ilya Frank? Spoilt it a bit. But a good grid. (3 years, 7 months ago)