Conversation so far:
what happened to Lauda in 1974?
Ferrari regrouped completely under Luca di Montezemolo and were resurgent in 1974. The team's faith in Lauda was quickly rewarded by a second-place finish in his debut race
what did Ferrari and Lauda do in 1974?
Lauda's first Grand Prix (GP) victory – and the first for Ferrari since 1972 – followed only three races later in the Spanish Grand Prix.
what happened after Ferrari regrouped in 1974?
A mixture of inexperience and mechanical unreliability meant Lauda won only one more race that year, the Dutch GP.

Question: who did he work with?
Self-contained rewrite: who did Lauda work with in 1974?