Final answer:
Beta Sigma Phi was founded on April 30, 1931, by Walter W. Ross as a women's social, service, and cultural organization.
Step-by-step explanation:
Beta Sigma Phi is an international women's social, service, and cultural organization.
It was founded on April 30, 1931, by Walter W. Ross.
The purpose of Beta Sigma Phi is to bring women together to foster their development and enrich their lives through community service, cultural activities, and social opportunities.