Generally speaking, after being an apprentice, a person would become a "journeyman," since this required a higher set of skills and expertise. This was not always the case, however.
The answer is the light bulb.
King spoke these words in Detroit, two months before he addressed a crowd of nearly 250,000 with his resounding "I Have a Dream" speech at the March on Washington for Freedom and Jobs on August 28, 1963.Several of King's staff members actually tried to discourage him from using the same "I have a dream" refrain again.
