Angela Steidele

Angela Steidele has written several books about LGBTQ+ lives in the eighteenth and nineteenth centuries. Love Story: Adele Schopenhauer and Sibylle Mertens was shortlisted for the NDR Kultur non-fiction prize. She won the Gleim Literature Prize for In Men's Clothes, her biography of Catharina Linck, and the Bavarian Book Prize for her novel Rosenstengel. Angela Steidele lives in Cologne.

Roy Sorensen

Roy Sorensen never told you that he is the son of Ted Sorensen, President Kennedy's speech writer and confidant. For it is not true. Roy Sorensen is a professor of philosophy at Washington University in St. Louis. He is the author of Seeing Dark Things</i>; A Brief History of the Paradox</i>; Thought Experiments</i>; and Blindspots.

Susan Southard

Susan Southard's first book, Nagasaki: Life After Nuclear War (2015) received the Dayton Literary Peace Prize in Nonfiction and the J. Anthony Lukas Book Prize, sponsored by the Columbia School of Journalism and Harvard University's Nieman Foundation for Journalism, and was also named a best book of the year by the Washington Post, Economist, Kirkus Reviews, and the American Library Association. Nagasaki has been published in England, Spain, Denmark, China, Taiwan, and Japan, and excerpts of the book have appeared in journals around the world. Southard's work has also appeared in the New York Times, the Los Angeles Times, Politico, and Lapham's Quarterly. She holds an MFA in creative writing from Antioch University, Los Angeles, and was a nonfiction fellow at the Norman Mailer Center in Provincetown, Massachusetts.
Southard presents keynote addresses and lectures at international disarmament conferences, universities, and public forums across the United States and abroad. In 2016, she spoke before the United Nations on behalf of the International Campaign to Abolish Nuclear Weapons (ICAN), which won the 2017 Nobel Peace Prize.
Southard teaches graduate-level nonfiction seminars and has directed creative writing programs for incarcerated youth and at a federal prison for women outside Phoenix. She is the founder and artistic director of the Phoenix-based Essential Theatre, a professional company now in its 30th season serving marginalized communities across the Southwest.

L Vaughan Spencer

L. Vaughan Spencer studied the Philosophy of Table Tennis and Anti-Social French at the University of the Isle of Wight and gained his MBA at the Jimmy Connors Institute in San Diego over the course of a weekend. Aside from holding motivational workshops in Watford, he also writes books; previous works include Chicken Nuggets for the Soul, Who Grated My Cheese? and What they don't teach you at Harvard Nursery School. All of his work is based on rigorous analysis – apart from when it's easier not to.

André Spicer

André Spicer is Professor of Organisational Behaviour at Cass Business School, City University, London, known for his thought leadership in the areas of the human side of work, leadership and ethics. He is widely published in both academic literature and the general business media and is a frequent commentator on sustainable business, behaviours at work and business culture.

David Spiegelhalter

David Spiegelhalter OBE is Winton Professor of the Public Understanding of Risk in the Statistical Laboratory, University of Cambridge. He is a fellow of Churchill College, Cambridge and the Royal Society. In 2014 David Spiegelhalter received a knighthood at the Queen's Birthday Honours for services to statistics.

Vicky Spratt

Vicky Spratt is a journalist whose work regularly shapes public policy. Her 2016 campaign 'Make Renting Fair' led to letting fees in England and Wales being banned, and she has spoken at political conferences, all-party parliamentary groups and panels across the country on the issue of housing. She has appeared on BBC News, Newsnight, Woman's Hour, Radio 4 and NTS Radio. In 2020, she was nominated as Journalist of the Year at the Drum Awards for Online Media, and in 2021 her stories delving deep into Britain's housing emergency saw her shortlisted for a British Journalism award. She is currently the i Paper's Housing Correspondent and a writer and editor at Refinery29.

Hilary Spurling

Hilary Spurling won the Whitbread Biography and Book of the Year 2005 for her biography of Henri Matisse, the product of 15 years' work. Her biography of Ivy Compton-Burnett won the Heinemann and Duff Cooper prizes. She has been a theatre and book critic for the Spectator, Observer and Telegraph, and lives in London.

Jack Stack

Jack Stack is Founder, President and CEO of SRC Holdings Corporation. The recipient of the 1993 Business Enterprise Trust Award, he speaks throughout the country on Open Book Management and The Great Game Of Business. Stack is also a world judge for the Ernst & Young Entrepreneur of the Year Awards Institute.

Gavin Stamp

Gavin Stamp was an architectural historian and scholar, one of Britain's leading experts on pre-war building and design. 'Brought up in a Tudor bungalow on the Orpington by-pass', as he recalled, he was educated on a scholarship at Dulwich College. Prolific as an author, curator and journalist, as 'Piloti' he wrote Private Eye's 'Nooks & Corners' column from 1978 until his death in 2017. He was chairman of the 20th-Century Society from 1983-2007, and wrote more than twenty books on topics including Edwin Lutyens, George Gilbert Scott, brutalism and telephone boxes.

Paul Stephenson

Paul Stephenson has held teaching and research posts at universities, museums and institutes around the world, including at the Metropolitan Museum of Art, New York, and Princeton University. He has held chairs at the Universities of Wisconsin, Nijmegen and Durham. He is author or editor of ten books, including Constantine: Unconquered Emperor, Christian Victor.

Siddharth Soni

Siddharth Soni is the Isaac Newton Trust Fellow at the University of Cambridge, where he is based within Cambridge Digital Humanities (CDH). His research spans digital and computational humanities, post-colonial literature and critical archive studies. He also teaches modern and contemporary literature at the English faculty. His first trade book, Monstrous Archives won the Profile Ideas Prize for non-fiction in 2022.