The trustee or trustees of any trust or trusts created for the founding, endowment, and maintenance of a university, college, school, seminary of learning, mechanical institute, museum, gallery of art, library, or any other institution, or any or all thereof, pursuant to Article 1 (commencing with Section 21100) and Article 2 (commencing with Section 21140) of this chapter, may commence a special proceeding to determine all questions of law and fact affecting the existence of, and the due and voluntary execution and delivery, and the terms, validity, and legal effect of the grant founding the institution, and of all amendments or attempted amendments to the grant, and of any supplemental grants or gifts, and of any confirmatory conveyances, of the founder or surviving founder, or spouse or surviving spouse of the founder.