How did the nephew in journey to the center of the earth describe the professor's character?

In "Journey to the Center of the Earth," the nephew, Axel, describes his uncle, Professor Lidenbrock, as an eccentric and passionate scientist. He portrays him as impulsive and single-minded in his pursuits, often disregarding the opinions and feelings of others. Lidenbrock's intense enthusiasm for his research drives him to be both inspiring and intimidating, showcasing a blend of brilliance and obsession. Axel's depiction highlights the complexity of Lidenbrock's character as a dedicated yet sometimes overbearing figure.