Which inventor is known for developing the first practical internal combustion engine?

Who is credited with inventing the first practical portable camera?

Which inventor is known for inventing the first practical safety razor?

Which inventor is associated with the development of the first practical steamboat?

Who is credited with inventing the first practical electronic computer?

Who is known for inventing the first practical safety glass?

Who is known for inventing the first practical artificial heart?

Who is credited with inventing the first practical electric iron?

Which inventor is associated with the development of the first practical portable computer?

Which inventor is associated with the development of the first practical radar system?