What is the name of the Salvador Dali picture with the old man and woman?

The painting you are referring to is likely "The Sacrament of the Last Supper" by Salvador Dalí, which features an old man and woman among other figures. The artwork is notable for its surreal depiction of the Last Supper, incorporating a large dodecahedron and dreamlike elements. If you meant a different work with an old man and woman, please provide more details for clarification.