UnScramble this Word: r p u n s i g e?

Questions

As whom was Jan Ludvik Hoch better known?

In the book Goodbye Mister Chips, what subject did Mr. Chipping teach?

Queen Victoria was a carrier of which disease that was responsible for the death of her son, Leopold?

Which acid is found in unripe apples and other fruit?

Of what is mycology the study?