Thomas Brown,

75, who turned an early infatuation with the transistor into a multibillion-dollar electronics powerhouse, died of lung cancer Thursday in Tucson, Ariz. He and friend Page Burr launched Burr-Brown Corp. in 1956 in Mr. Brown's Tucson garage for $50,000. Burr-Brown was acquired by Texas Instruments Inc. in August 2000 in a stock deal valued at $7.6 billion.

Elaine Gelman,

75, a pediatric nurse practitioner who helped win greater treatment responsibilities for specially trained nurses, died in New York on Tuesday of breast cancer.

Ms. Gelman was president of the New York State Coalition of Nurse Practitioners from 1985 to 1988. During that time state lawmakers passed a measure allowing nurse practitioners to make diagnoses and prescribe treatment in collaboration with a doctor.

Ronald Sait,

58, a first-term legislator in Suriname's parliament, died in Paramaribo, Suriname, on Wednesday while undergoing heart-bypass surgery.

Mr. Sait was an active member of the Muslim community and was also the treasurer of al Falaq, a Muslim charity foundation.

Mr. Sait, a member of the Pertjajah Luhur Party, was elected to the former Dutch colony's National Assembly in May 2000. He also served as deputy director of the Department of Bridges in the Ministry of Civil Works.

Hubert Tibbetts,

77, an innovative chief executive of Thomas J. Lipton Inc., died Sunday of a heart attack while bicycling in Armonk, N.Y. He was 77.

Mr. Tibbetts, who headed Lipton from 1978 to 1988, helped move the company beyond traditional tea and toward such products as iced tea in a can and instant soup.