From Toyota Wiki

Takehisa Yaegashi (born 1943) is a retired engineer for Toyota Motor Corporation. He led the team that developed the Prius and, though retired, still works as a consultant for Toyota. He is known as "Mr. Hybrid."

References

• Your World Today broadcast transcript, CNN, April 24, 2006 (URL last accessed November 2, 2006).
• Dawson, Chester, "Takehisa Yaegashi: Proud Papa Of The Prius", BusinessWeek, June 20, 2005 (URL last accessed November 2, 2006).
• Fairley, Peter, "Hybrids' Rising Sun", Technology Review, April 1, 2004 (URL last accessed November 2, 2006).