More than 300 people, including notables from the fields of entertainment, sports and politics, will take part in a fundraising gala tomorrow night to mark Muhammad Ali’s 70th birthday.The guest list for the $1,000 per plate private dinner at the Ali Center includes the boxing legend’s longtime trainer, Angelo Dundee, musician John Mellencamp and Congressman John Yarmuth.A weeklong series of public birthday eventsbegins Sunday at the Ali Center.They include film screenings and a Smithsonian exhibition focusing on people of dual African-American and Native American ancestries.A center spokeswoman says Ali will attend tomorrow’s gala but has not been confirmed for any of the public events.Ali’s 70th birthday is Tuesday. (Photo by Sheila Ash/September, 2010)