13 moments
Birth in Masterton
· Masterton, New Zealand
Alan Graham MacDiarmid was born in Masterton, beginning the life of the future chemist and Nobel laureate. Coordinates represent central Masterton.
Studies and laboratory work at Victoria University
· Victoria University of Wellington, Kelburn, Wellington, New Zealand
MacDiarmid began university-level study and laboratory work at Victoria University of Wellington, where his early chemistry training developed. Coordinates represent Victoria University of Wellington's Kelburn campus.
Doctoral work at the University of Wisconsin
· University of Wisconsin–Madison, Madison, Wisconsin, United States
During his Fulbright-supported period at the University of Wisconsin, MacDiarmid conducted doctoral research with Norris Hall before moving on to Cambridge. The source establishes a three-year Wisconsin residence and work period; 1953 is the supported year of his Wisconsin Ph.D. Coordinates represent the university campus.
Marriage during Cambridge doctoral study
· Cambridge, England, United Kingdom
While undertaking his second doctorate at Cambridge, MacDiarmid married Marian Mathieu there. Coordinates represent central Cambridge; the marriage venue is not identified in the source.
Teaching at Queen's College, St Andrews
· Queen's College, University of St Andrews, St Andrews, Scotland, United Kingdom
After completing his Cambridge doctorate, MacDiarmid taught for six months at Queen's College, University of St Andrews, in an early academic appointment. The source gives a six-month appointment but not its precise start and end dates; 1955 is supported by his professional chronology.
Begins University of Pennsylvania career
· University of Pennsylvania, Philadelphia, Pennsylvania, United States

Wikimedia Commons · Creative Commons Attribution 4.0 International · file MacDiarmid moved to Philadelphia for the University of Pennsylvania chemistry faculty position that became the central base of his long research career. 1956 is supported by his appointment chronology following the St Andrews post; coordinates represent the central University of Pennsylvania campus.
Lecture and meeting at Tokyo Institute of Technology
· Tokyo Institute of Technology, Ookayama, Tokyo, Japan
MacDiarmid lectured at Tokyo Institute of Technology and met Hideki Shirakawa over tea, initiating the relationship behind their conductive-polymer collaboration. Coordinates represent the Ookayama campus.
Visiting professor at Kyoto University
· Kyoto University, Kyoto, Japan
As a visiting professor at Kyoto University, MacDiarmid made the Japanese visit that led directly to his contact with Hideki Shirakawa. Coordinates represent Kyoto University's Yoshida campus.
Nobel Prize award ceremony
· Stockholm Concert Hall, Stockholm, Sweden

Wikimedia Commons · Rights: MacDiarmid Institute MacDiarmid received his Nobel Prize medal and diploma at the Stockholm award ceremony, recognizing his work on conductive polymers.
Scholarly residence at UT Dallas
· University of Texas at Dallas, Richardson, Texas, United States
MacDiarmid began his association with the University of Texas at Dallas as a distinguished scholar in residence, preceding his later chair appointment. The article was published on 1 August 2002 and identifies his arrival as the preceding August; date is therefore recorded at year precision.
China Friendship Award ceremony
· Beijing, China
MacDiarmid was among the foreign experts honored at a Beijing ceremony for China's Friendship Award, reflecting his scientific work with Jilin University. Coordinates represent central Beijing because the ceremony venue is not specified.
Visit to Beijing
· Beijing, China

Wikimedia Commons · Creative Commons Attribution-Share Alike 3.0 Unported · file MacDiarmid made a documented visit to Beijing late in his career, during a period of extensive international scientific engagement. Coordinates represent central Beijing; the photograph's exact location is not identified.
Death at his Drexel Hill home
· Drexel Hill, Pennsylvania, United States
MacDiarmid died after falling at his home in Drexel Hill, ending a career that had remained active in research and scientific outreach. Coordinates represent Drexel Hill; the private home address is not given.