Simplify the following text for a Grade 5 native English-speaking person.
Original: Francisco was discovered by Matthew J. Holman , et al . and Brett J. Gladman , et al . in 2003 from pictures taken in 2001 and given the provisional designation S\/2001 U 3 .
Simplified: Francisco was found by Matthew J. Holman , et al . and Brett J. Gladman , et al . in 2003 from pictures taken in 2001 and given the designation S\/2001 U 3 .