London's oldest botanic garden has published this summer's events diary and is combining the lectures with late night openings. this pushes closing time to 10pm from 30 June to 1 September.
A weekly talk will celebrate the 350th anniversary of the birth of Sir Hans Sloane, who safeguarded the Garden in 1722 by setting rent at £5 a year in perpetuity.
Talks will cover Sloane, entrepreneurship, science and plant illustration and speakers include Professor Lisa Jardine, Dr Charlie Jarvis, Dr Tim Cutler and Dr Phil Cribb.
Another talk, Scents of History: perfumery in Britain since Sloane, will explore perfume over the centuries.
Chocolate Money: Sloane's Caribbean Cacao talk by Professor James Delbourgo looks at science and empire, Sloane's botanical work in Jamaica and Sir Hans Sloane's Milk Chocolate, first marketed in the 18th century.
Chelsea Physic Garden was founded by the Worshipful Society of Apothecaries in 1673.
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