Footprints Without Feet: Footprints without Feet

What is the name of the invisible scientist in the chapter 'Footprints without Feet'?

Where did the two boys follow the muddy footprints?

What did Griffin swallow to make his body transparent?

Why did Griffin set fire to the house of his landlord?

What was the condition of Griffin's clothes when he walked without them?

In which store in London did Griffin take shelter for warmth and food?

What did Griffin wear on his head when he stayed at the inn in Iping?

What was the name of the innkeeper at Iping?

How did Griffin steal money from the clergyman's study?

Who was the village constable called to arrest Griffin?