Charles Darwin is an international celebrity, but Gregor Mendel holds the key to heredity.
A mysterious discovery prompts Anna Pavord to celebrate her botanical hero William Turner.
Travel writer Redmond O'Hanlon proposes the pioneering naturalist Alfred Russel Wallace.
George Beccaloni on why naturalist Alfred Russel Wallace is his Natural History Hero.
Melvyn Bragg and his guests discuss the work of the biologist Alfred Russel Wallace.
Travel writer Redmond O'Hanlon champions the life of naturalist Alfred Russel Wallace.
Brian Cox and Robin Ince mark the 100th anniversary of the death of Alfred Russel Wallace.
Brett Westwood reflects on wildlife changes in his local patch over 40 years.
Businessman and academic Adair Turner talks about the life of Charles Darwin.
Businessman and academic, Adair Turner looks at the life of Charles Darwin.
Nature broadcaster Chris Packham goes back to 1662 to witness the extinction of the dodo.
Chris Packham, host of BBC Springwatch, selects favourite episodes from Tweet of the Day.
Melvyn visits Darwin's home at Down House in Kent.
Darwin's early life in Shropshire and his three years at Cambridge.
How Charles Darwin used the plants in his garden to develop his theory of evolution.
David Attenborough recalls moments of personal happiness.
James Naughtie considers the celebrated broadcaster and naturalist.
An exclusive Radio 4 interview with David Attenborough about his life in wildlife sound.
David Attenborough recalls collecting music from around the world, and listens once again.
Susan Marling celebrates Richard Attenborough’s legacy a year on from his death.
Dr Craig Venter on his own experiences as a collector, medic and geneticist.
Paul Nurse discusses scientist, inventor and poet Erasmus Darwin, grandfather of Charles.
Former England player Graeme le Saux champions the life of conservationist Gerald Durrell.
Scientist Lord Robert May nominates the naturalist and botanist, Joseph Banks.
How plants proved a new route to political power and the growth of Britain's Empire.
The broadcaster on what makes a good voice-over, why he'd talk to Trump, and being lucky.
Clare Balding walks with naturalist, author and TV presenter Steve Backshall.
Steve Backshall talks to extreme adventurer Ed Stafford.