As he learned the skill of welding , he developed a passion for welding engineering and metallurgy .
In 1937 , Brown began working for Towsley Trucks , Inc. , in the machine shop as a laborer .
As Brown learned the skill of welding , Brown developed a passion for welding engineering and metallurgy .
In 1937 , Brown began working for Towsley Trucks , Inc. , in the machine shop as a laborer .