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Who We Are

Christopher Dingwall, Trustee and Vice-Chair SGLH

Christopher Dingwall

Honorary Research Adviser
Trustee 2015 – present

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Christopher is an independent heritage consultant and lecturer on garden history and conservation. He was Conservation Officer for the Garden History Society in Scotland from 1992 to 2004 and since then has been our Honorary Research Adviser.

Robert Luther, Trustee and Hon. Treasurer SGLH

Robert Luther

Trustee and Hon. Treasurer GHSS 2013 – 2015 and Trustee, Secretary and Hon. Treasurer 2015 – present

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Having spent his entire career abroad, Bob felt that it was time to come home. His first job was as a Russian linguist and his last as Director of Administration in the WTO. He finds working with the SGLH team enormously stimulating.

Email: treasurer@sglh.org

Robert Luther, Trustee and Hon. Treasurer SGLH

Chris Alcorn

Trustee 2025 – present

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Chris is a retired town planner after 34 years with West Lothian Council. Originally from Ayr he studied Geography at Aberdeen (1980-84), before short stints in Germany and Glasgow and then a postgraduate diploma in town & country planning at Heriot-Watt University (1986-88). He is actively involved with his local community council and discovered SGLH through their ‘Glorious Gardens: East Lothian’ project and is still a volunteer researcher. If he had his work time over again, he would love to have been a landscape architect!

Matthew Benians, Trustee SGLH

Matthew Benians

Trustee 2019 – present, Acting Vice Chair 2021-22, Chair 2023-25

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Matt studied Landscape Architect at the Edinburgh College of Art (Herriot Watt University) and is a Chartered Member of the Landscape Institute with over 20 years’ experience in private practice. His interests include historic and designed landscapes, design and the environment. He is a Civic Trust Awards assessor, GIA Awards judge and West Dunbartonshire Council design panel member. He volunteers with Friends of the River Kelvin (FORK). He has also been a HLF PfP monitor, and a RHS Grow-wild mentor. He is a founding member of Sco.Mo which was established to reveal and celebrate Modernist landscape architecture in Scotland.

Marilyn Brown, Trustee SGLH

Marilyn Brown

Trustee 2017 – present

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Marilyn Brown is a garden archaeologist and historian with a particular interest in Scottish gardens before 1750. She has now retired from the Royal Commission on the Ancient and Historical Monuments of Scotland (now HES) where for many years she was responsible for aerial survey. She is the author of Scotland’s Lost Gardens and many articles relating to early Scottish gardens.
Hannah Tweedie, Trustee SGLH

Fiona Gordon

Trustee 2023 – present

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Fiona gained a Diploma in Garden History from the Royal Botanic Gardens Edinburgh in 2014. She consequently became involved with the ‘Glorious Gardens’ project as a volunteer, writing reports on designed landscapes in the Stirling area and East Lothian.

Hannah Tweedie, Trustee SGLH

Dave Lockhart

Trustee 2023 – present

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Dave is a life-long gardener.  Having grown up on farm, he now lives in Philadelphia where he is involved with several historic preservation and horticultural organizations while tending his own small urban courtyard garden.  Professionally, he develops strategic initiatives in the healthcare sector.

Judy Riley, Trustee SGLH

Judy Riley

Trustee 2018 – present, Chair 2015 – 2018, Trustee GHSSCT 2013 – 2014, Chair GHSS 2014 – 2015, 

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Judy is a Landscape Architect with a longstanding and lively interest in contemporary garden design and its roots in history. She has lived in East Lothian for over 30 years.
Hannah Tweedie, Trustee SGLH

Hannah Tweedie

Trustee 2016 – present

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Hannah is a heritage consultant, working for a national planning and development consultancy. She has over ten years experience working as an archaeological and heritage consultant, during which time she has developed a particular interest in garden and landscape history. Away from work Hannah leads Guide and Ranger units in Granton, and enjoys knitting and other craft activities.