Diana Fisher Berkowitz, 100, formerly of New Haven, died Sept. 23. She was the widow of Joseph C. Fisher and Elihu Berkowitz. Born in New Haven, she was the daughter of Lillian (Dropkin) and Sol Rabinowitz. She is survived by her children, Karen Feldman of Harrison, N.Y., Arthur Fisher of Guilford, and Lisa Chamberlain of Stockbridge, Mass.; and five grandchildren and five great-granchildren. She was also predeceased by her siblings, Mildred Groves, Allen Robin, and Reva Rollin.