** Examples of disbelief for major inventions**

An individual named Ann displayed remarkable self-confidence and assertiveness by successfully obtaining a $1,000 loan from a bank, despite making only $18 a week. This move ultimately helped her establish a credit rating. Additionally, the founding of Beechcraft during the Great Depression was a bold venture undertaken by Walter, Oliveann, and an engineer, as they risked their savings in a time when the economy hit rock bottom in 1932. Despite the challenging economic environment, they took a leap of faith and started their own company, Beech Aircraft, which proved to require not just money and a good business idea but also immense courage.