In this week’s Convex Conversation, Hilary Evans talks about the pioneering research the charity is leading to find effective treatments for Alzheimer’s. Digital fingerprints could lead to early detection and treatments years before symptoms even show.

Actor & supporter Samuel L Jackson speaks movingly about how he & his family have been affected by dementia & gives us an insight into the disease & how it takes hold.  

John takes us on a culinary journey to some of the incredible places he’s visited & the dishes he’s brought back to share in his beautiful cookery books. Middle Eastern & North African food are a favourite & John’s cooking films have inspired many on Instagram.  

He also talks about his experiences in Gaza for The World Food Programme which supports millions of refugees. 

Crystal is responsible for social media for Google UK, at just 30, her contribution to the tech & media world has already been recognised in a series of awards.

Crystal shares her leadership style; the secrets to driving positive change by being 'more pirate' & reveals she's writing a book of things she wished she'd known when she started in the industry. 

American-born sculptor Helaine Blumenfeld gives a fascinating insight into how she creates her public sculptures - some of which are five metres high - in materials like white Italian marble & bronze.

Helaine talks about her extraordinary life from growing up in New York; studying under Russian sculptor Ossip Zadkine who after admiring her early work, expected her to be a man, to living in England with her husband & sons & working in her studio in Pietrasanta in Tuscany.

Taking Risks image with Helaine by Henryk Hetflaisz

Adil Ray, of Good Morning Britain & Citizen Khan fame, talks about his upcoming film with Dame Judi Dench; the joys of live broadcasting on ITV & Lingo - the new word game he’s hosting.

Mr Khan makes a welcome appearance, as Helen & Adil explore his early days growing up in Birmingham; the surprise discovery he’s related to the Bugandan royal family & his fascination with socks! 

Personal trainer Patrick Hutchinson made headlines all over the world when an unforgettable photograph of him carrying a far-right protestor to safety during a Black Lives Matter demonstration in London went viral.

Patrick tells Helen how his life changed that day. 

His unexpected notoriety has given him & his friends a platform to set up UTCAI – United To Change And Inspire – aimed at overcoming injustice & prejudice, & championing equality for all.

#BLM protest image by Dylan Martinez, Reuters

Portraits by Chris Floyd

Endurance swimmer Lewis Pugh describes the harsh dangers & absolute beauty of swimming in a glacial river under the ice sheet in Antarctica in just his Speedos to highlight the devastating effects of climate change.

Lewis explains how all of our futures will be determined by the polar regions which are melting at a frightening rate. He continues to push himself to the absolute limit to encourage global leaders & policy makers to be courageous & take the urgent action that’s needed – now.

Photographs by Kelvin Trautman

Camille talks about the challenges & joys of transforming the Docklands wasteland of the early nineties into a stunning city within a city.

She also shares her love of art which she’s brought to the Canary Wharf estate; discusses the importance of women at senior levels; talks about the drive & determination she believes she got from her father & laughs about her well-known dislike of holidays! 

Neil gives a fascinating insight into what it's like flying advanced trauma medics to the scene of critical incidents including stabbings, shootings & road accidents in the capital. 

London has one of the world's most complex & crowded airspaces and the aim is to take the hospital to the roadside to deliver life-saving care for patients like Yair & Victoria who we hear from in this week's Convex Conversation.

Former Communard, vicar of Finedon, co-presenter of BBC's Saturday Live, musician, writer & Twitter lover Richard Coles shares stories from his youth, his days as an accidental pop star & life as a vicar. 

Richard also talks about coping with grief after the unexpected loss of the love of his life and reveals he’s "standing up & facing forward".