Riddle to end all riddles

"I made history for who I was----and who I wasn't.

You'll find me in a deck of cards, and I was gilded.

When it came to speed, I was electric and I was a pioneer.

When most were too young to vote, I was making history.

I was a broad ray of light for children worldwide.

For 2 + 2 + 7 + 1 + 1 + 2, I did what no other before me had done...Or since...

My honors were real, AND they were imagined in dreams and fantasies....

I started at the beginning of the alphabet, but most knew me from the end of the alphabet.

I was a poet and a crooner, but I will always be remembered for who I wasn't...

Who was I?"