James Petroni of Melrose, a former houseman in the Housing Office, died on Feb. 19 at the age of 79. He retired in 1986 after 20 years at MIT. He is survived by a sister, Helena Melville of Malden; a brother, Albert J. of Somerville; and several nieces and nephews. A graveside service was held at Wyoming Cemetery in Melrose on Feb. 25. Gifts in his memory may be made to St. Jude Research Hospital, Box 6818, Memphis, TN 38101.
Jethro Williams of Dorchester, a former custodian at Lincoln Laboratory, died on Feb. 20 at the age of 76. He was hired in 1972 and retired in 1991. Survivors include his wife, Rosa Lee Williams.
Lawrence Ryan of Daytona Beach, Fla., died on March 6 at the age of 90. He began working at MIT in 1936 and was a senior technical staff member in the Research Laboratory of Electronics when he retired in 1974. Information on survivors was unavailable.
A version of this article appeared in MIT Tech Talk on March 19, 2003.