Also opening tonight with WHEN PHILIP MET ISABELLA, is an exhibition highlighting Gary Griffin's Career at Cranbrook Academy of Art. Cranbrook Art Museum honors retiring Academy of Art Metalsmith-in-Residence Gary Griffin with the exhibition Critical Mass. Celebrating 22 years leading the Metalsmithing Department, Critical Mass also chronicles the careers of 121 students who studied under Griffin from 1985 through 2005, showcasing the influence of this master metalsmith on the young artists he led. Curated by 1992 Academy of Art metalsmithing graduate Ben Wearley, the exhibition opens June 3 and runs through Oct. 15.