What are the three character traits in Jan Ernst Matzeliger?

Jan Ernst Matzeliger was known for his perseverance, ingenuity, and determination. His perseverance is evident in his relentless pursuit of improving shoemaking technology, despite facing significant challenges as a Black inventor in the late 19th century. His ingenuity is highlighted by his invention of the lasting machine, which revolutionized the shoe industry, while his determination drove him to overcome societal barriers and achieve success in his field.