Final answer:
James Madison initiated the organization of a meeting in Philadelphia to throw out the Articles of Confederation.
Step-by-step explanation:
The person who initiated the organization of a meeting in Philadelphia to throw out the Articles of Confederation was James Madison. He believed that the Articles of Confederation were weak and created a strong government that was insufficiently able to handle the needs of the new nation. In 1787, he played a key role in convening the Constitutional Convention in Philadelphia, where the Articles of Confederation were ultimately replaced with the United States Constitution.
Learn more about The Articles of Confederation