Possible Clues:

• Nitrogen cycle of 26 chemist
• German chemist Walther ____’s heat theorem is a partial statement of the third law of thermodynamics and won him a 1920 Nobel prize
• German physicist Walther ____’s heat theorem was an early form of the third law of thermodynamics
• Walther Hermann --, German physical chemist 1864-1941
• Walther --, German physical chemist who discovered the third law of thermodynamics
• German physical chemist who formulated the third law of thermodynamics
• Physicist's comfortable home in which service is provided
• Nobel prizewinner coming from Tyneside to Fleet Street
• Formulator of the third law of thermodynamics
• German chemist's cosy home accommodates sailors