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|Sir Paul Callaghan
GNZM FRS FRSNZ
|Born||Paul Terence Callaghan
19 August 1947
Whanganui, New Zealand
|Died||24 March 2012
Wellington, New Zealand
|Fields||Physics, molecular physics|
|Alma mater||Victoria University of Wellington
University of Oxford
|Thesis||Some hyperfine interaction studies using nuclear orientation (1974)|
|Doctoral advisor||Nicholas James Stone|
|Known for||NMR and MRI research|
|Notable awards||New Zealand Order of Merit
Günther Laukien Prize
2011 New Zealander of the Year
Sir Paul Terence Callaghan GNZM FRS FRSNZ (19 August 1947 – 24 March 2012) was a New Zealand physicist who, as the founding director of the MacDiarmid Institute for Advanced Materials and Nanotechnology at Victoria University of Wellington, held the position of Alan MacDiarmid Professor of Physical Sciences and was President of the International Society of Magnetic Resonance.
Callaghan was born 19 August 1947, the son of Mavis and Ernest Callaghan. He had an older brother Jim, older sister Jeanine, and younger sister Mary. His maternal grandparents were Agnes and Francis Hogg.
A native of Whanganui, Callaghan attended Wanganui Technical College (now Wanganui City College). He took his first degree in physics at Victoria University of Wellington and subsequently earned a DPhil degree at the University of Oxford, working in low temperature physics. On his return to New Zealand in 1974, he took up a lecturing position at Massey University, where he began researching the applications of magnetic resonance to the study of soft matter. He was made Professor of Physics in 1984, and was appointed Alan MacDiarmid Professor of Physical Sciences in 2001. The following year, as its founding director, he helped establish the multi-university MacDiarmid Institute for Advanced Materials and Nanotechnology.
Callaghan was President of the Academy Council of the Royal Society of New Zealand (RSNZ), and published over 240 articles in scientific journals, as well as the books Principles of Nuclear Magnetic Resonance Microscopy in 1994 and Translational Dynamics and Magnetic Resonance in 2011. He was a founding director and shareholder of Magritek, a technology company based in Wellington that sells nuclear magnetic resonance and MRI instruments. He was a regular public speaker on science matters and, in 2007, one of his radio series appeared in book form, As Far as We Know: Conversations about Science, Life and the Universe. A 2009 book, Wool to Weta: Transforming New Zealand's Culture and Economy, dealt with the potential for science and technology entrepreneurialism to diversify New Zealand's economy. He was the presenter of a concurrent documentary, Beyond the Farm and the Themepark, which deals with the same issues.
In 2001 Callaghan became the 36th New Zealander to be made a Fellow of the Royal Society of London. He was awarded the Ampere Prize in 2004  and the RSNZ's Rutherford Medal in 2005. He was appointed a Principal Companion of the New Zealand Order of Merit in 2006 and in 2007 was recognised with a World Class New Zealander Award and the Sir Peter Blake Medal. He was awarded a two-year James Cook Research Fellowship by the Royal Society of New Zealand in 2008. He was knighted on 14 August 2009.
In 2010 he was awarded the Günther Laukien Prize for Magnetic Resonance and shared the New Zealand Prime Minister's Science Prize. In 2011 he was named Kiwibank's New Zealander of the Year and later that year elected an Honorary Fellow of Corpus Christi College, Cambridge.
Callaghan died on 24 March 2012, aged 64, after a long battle with colon cancer. He was survived by his first wife, Sue Roberts, two children, Catherine and Chris. & his second wife Miang Lim, After his death, Callaghan was again recognised with a World Class New Zealand award, becoming the Supreme winner in May 2012 
He was an atheist.
- 1974 Lecturer, Massey University, Palmerston North
- 1984 Professor of Physics, Massey University, Palmerston North
- 2001 Alan MacDiarmid Professor of Physical Sciences at Victoria University, Wellington
- Callaghan, P. (1994). Principles of Nuclear Magnetic Resonance Microscopy. Oxford University Press.
- Callaghan, P. and Hill, K. (2007). As Far as We Know: Conversations about Science, Life and the Universe. Penguin.
- Callaghan, P. (2009). Wool to Weta: Transforming New Zealand's Culture and Economy. Auckland University Press.
- Callaghan, P. (2011). Translational Dynamics and Magnetic Resonance: Principles of Pulsed Gradient Spin Echo NMR. Oxford University Press
- Callaghan, P. and Hendy, S. (2013). Get off the Grass: Kickstarting New Zealand’s Innovation Economy. Auckland University Press
Callaghan is an author of over 230 journal articles. His research group specialized in developing NMR methodologies for the study of molecular dynamics and molecular organization in complex fluids, soft matter and porous materials. Major areas of contribution include:
- Rheo-NMR (rheology of fluids studied by nuclear magnetic resonance)
- Diffusion of molecules in porous media (for example, studying the microscopic structure of sea ice).
- Development of NMR techniques that utilise the earth’s magnetic field.
- 2001 Fellow of the Royal Society of London.
- 2004 Ampere Prize
- 2005 Rutherford Medal
- 2006 Principal Companion of the New Zealand Order of Merit
- 2007 Sir Peter Blake Medal.
- 2008 James Cook Research Fellowship by the Royal Society of New Zealand.
- 2009 Knighted
- 2010 Günther Laukien Prize for Magnetic Resonance
- 2010 New Zealand Prime Minister's Science Prize.
- 2011 New Zealander of the Year
- International Society for Magnetic Resonance website
- "MRI & NMR for everyone, everywhere". Magritek. Retrieved 2012-03-24.
- "Beyond the Farm and Theme Park | HotScience". ecast TV. Retrieved 2012-03-24.
- "Awards". Ampere.ethz.ch. Retrieved 24 March 2012.
- World Class New Zealand Award
- Sir Peter Blake Trust
- Sir Paul Callaghan
- "Laukien Nominations". Enc-conference.org. Retrieved 24 March 2012.
- Sir Paul Callaghan passes away
- World Class New Zealand 2012 Winners
- "Callaghan Innovation". Ministry of Business, Innovation & Employment. 1 February 2013.
- Donoghue, Tim; Cooke, Michelle (24 March 2012). "Sir Paul Callaghan dies". stuff.co.nz. Retrieved 28 February 2014.