 Washington also had a camera company for a time.By the time of the 1900 US Census, Washington, recorded in the census as an inventor, was 29 years old and living in a rented house in Brooklyn with his 23-year-old wife, their three young children, his younger sister (age 25), three servants, and a child of two of the servants.Washington tried his hand at cattle ranching in Guatemala in 1906 or 1907 while, in the meantime, developed his instant coffee process.