Obituaries

Howard Temin, scientist, died 9 February, aged 59. A cancer and Aids researcher, he worked at the University of Wisconsin for 34 years and won the Nobel Prize for physiology in 1975 for his role in discovering an enzyme - reverse transcriptase - which later played a crucial role in identifying the Aids virus. He also campaigned for state laws to limit or ban smoking in public places. He received the National Medal of Science in 1992.

Etai Yamada, priest, died 22 February, aged 98. A Japanese Buddhist leader, he was the 253rd head priest of the Tendai sect, which was founded in Japan in 806 by the priest Saicho (767-822). He hosted a religious summit for the first time in Japan in 1987. Chairman of the All Japan Buddhist Association 1992-94.