Question

what made jimson conclude that Griffin was invisible?​

Answer 1

Answer:

To finance his experiments, Griffin robs his own father, which drives the father to commit suicide (because the money had not even been his own). Working as a recluse in his flat, Griffin invents a formula to bend light and decrease the refractive index of physical objects, making them invisible.

Explanation:

Answer 2

Answer:

Griffin the scientist was completely invisible by swallowing certain rare drugs until the two boys saw the fresh muddy imprints of a pair of bare feet on the steps of a house in the middle of London . The two boys were surprised Seeing the fresh muddy imprints.