Tag: Charles Darwin

Thereza Dillwyn Llewelyn, selenophotographer

October 29, 2019 0 Comments
Thereza Dillwyn Llewelyn, selenophotographer

If you visit the Penllergare Valley Woods, as we did last week, you can’t leave without developing a strong respect for the estate’s chief creator, John Dillwyn Llewelyn.  Photographic pioneer, astronomer, botanist, orchid collector, landscapist, inventor – he used his wealth, leisure and connections, after inheriting the estate as a boy from his grandfather in […]

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Alfred Russel Wallace, Cymru a radicaliaeth

November 14, 2013 2 Comments
Alfred Russel Wallace, Cymru a radicaliaeth

Gan mlynedd ar ôl ei farwolaeth mae’r naturiaethwr o Gymru Alfred Russel Wallace o’r diwedd yn derbyn cydnabyddiaeth yn ein hamser ni am ei orchestion – nid yn unig am fod yn gyd-ddyfeisiwr, gyda Charles Darwin, o’r theori ‘esblygiad trwy ddetholiad naturiol’, ond hefyd am ei waith ar fioddaearyddiaeth a sawl pwnc arall. Dadorchuddiodd David […]

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