- 1984
- 1988
- 1989 (MSU Campus & Snowind Day)
- 1991 (Field trip with Ewin and Ji-Ming Chen)
- 1992
- 1994
- 1995
(Fmaily: Shirely, George, Jordan and Danny)
- 1996 (Central University & CYCU Campus)
- 1999
(Millie Sellars with George and Jordan, 1999/06, Strakville typical community)
(Dr. Gassaway with George (10 years old) and Jordan(7 years old), 1999/06)
- 2004 (Commencement Day)
- 2005 (Manila trip and short-course offering)
(Danny Chung, Charming Yang, Dorota and Prof. Torbicz as well as other Participants of the 84th ICB (International Centre of Biocybernetics ) Seminar united together at Lazienkowski park, Warsaw, Nov. 26, 2005 )
- 2006
(De La Salle Univ. & CYCU meeting on Feb. 6, 2006)
(Beijing Union University, Overseas Invited Scholar Forum, Oct. 2006)
- 2007
(Norvatek Field Trip, 04/2007)
( Danny's family with Dr. Gassaway: George, Shirely and Jordan, Dr. Gassaway's house, 2007/07)
( Miss Sellars & Danny Chung, Miss Sellars's house, 2007/07, Starkville, Mississippi)
(George and Grandson of Millie and Scott Sellars were fishing on a pond of Sellars farm, a wonderful reunion at Starkvill, Mississippi, 2007 Summer.)
- 2008
- 2009
- 2011
(2011-05-23 Invited talk : Dept. of Electronic Engineering,Chin-Yi Univ. of Tech.)
Family Link
- http://www.wretch.cc/blog/j081619/16125826
- http://materialgl.blogspot.com/
- http://www.wretch.cc/blog/yeiyun520
- http://tomicdesigner.blogspot.com/
-