Bruce Wayne Tuckman (1938- ) - published in 1965 a short article - Developmental sequence in small groups: see Forming-storming-norming-performing. Year 1938 ( MCMXXXVIII) was a Common year starting on Saturday (link will display the full calendar of the Gregorian calendar. Year 1965 ( MCMLXV) was a Common year starting on Friday (link will display full calendar of the 1965 Gregorian calendar. The Forming – Storming – Norming – Performing model of Group development was first proposed by Bruce Tuckman in 1965, who maintained that these phases In 1977, he added the fifth stage: adjourning (Stages of Small Group Development Revisited). Also 1977 (album by Ash. Year 1977 ( MCMLXXVII) was a Common year starting on Saturday (link displays