I conducted 70 odd interviews for Tom Jones; The Biography talking to anybody and everybody who had some connection with the man and his times. Some prefer to remain anonymous.

Here are 20 of the most important primary sources

Chris Ellis: A TV engineer from the Valleys who became friendly with The Senators. In 1965 he quit his job to work for Tom as his driver, personal assistant and lighting designer. After being with Tom 24 hours a day for nearly 10 years he was fired in 1975. He has never seen or spoken with Tom since. Chris has never spoken with anybody about his time with Tom Jones before.

Vernon Hopkins: Born and brought up in Rhydyfelin, Bass guitarist and leader of the Senators who later became the Squires, it was Vernon who insisted on bringing in Tommy Woodward as lead singer. They became as close as brothers until stardom tore them apart. Vernon was fired by Gordon Mills in 1969 and has only seen Tom on a handful of occasions since. He is currently writing a novel.

Vic Cooper: On Chelsea's books as a teenager Vic swapped for keyboards in Johnny Kidd and the Pirates. He joined the Squires in 1965 and quit three years later to become a member of Toomorrow , with Olivia Newton John. The band never happened. He now lives in Spain.

Keith Davies: A neighbour of Vernon Hopkins, Keith was a founder member of the Squires. He quit the band in 1964. A postman, he still lives in Rhydyfelin and still sings and plays in the pubs.

Tommy Pitman was the original singer in the Senators. After being replaced by Tom Woodward he joined another local band. Now retired he lives in Treforest and still sings in the pubs.

Tom and Chris Ellis on horseback in Australia, 1966

Mary Wilson: Founder member of the Supremes and the great love of Tom's life. Still performing as well as ever

Darlene Love: Owner of one of the greatest pop voices ever Darlene hit rock bottom working as a cleaner. In 1998 she published her memoirs The Name Is Love and released a gospel album Unconditional Love - both are only available in the USA

Annie Toomaru: Gordon Mills' Tahitian girlfriend for the last four year of his life, now runs a travel business in Los Angeles

Nanci Eisner worked for Gordon Mills and Tom Jones from 1969-87. Now back living in New York she has only good memories of those times and of Tom.

Les Reed OBE: Songwriter, arranger , musical director and band leader Les worked with Tom from 1964-72 . He has written some of the best known songs of the last forty years including It's Not Unusual, Delilah, the Last Waltz and There's a Kind of Hush.

Barry Mason wrote the lyrics for Delilah, The Last Waltz, I'm Coming Home, Love Me Tonight and dozens of other classic hits. Once a poker buddy of Gordon Mills he still writes and performs.

Peter Sullivan discovered Tom Jones before Gordon Mills when he was a staff producer at Decca. He produced all Tom's hits until 1971 and now runs a publishing company in Nashville.

Barry Dickins worked for Harold Davison when he joined MAM in 1969. He left to form ITB in 1978 which is now one of the most successful agencies in the world.

Paul Russell originally worked for Michael Balin, MAM's lawyer. He is now Managing Director of Sony Music Europe.

Guy Holmes runs Gut Records, Tom's current record label. A former record plugger he started his company to market Right Said Fred's I'm Too Sexy.

Larry Page, once a teen idol, Page became the manager of the Kinks and the Troggs and ran his own record label. He is still active in the music business.

Charles Mather is a former Royal Marine who fetched up in Las Vegas in 1959 and still lives there. He was a manager, agent and good friend of Tom

Gene Kilroy works for the MGM Grand in Las Vegas. He is a close friend of Muhammad Ali and in 1986 he gave the eulogy at Gordon Mills' Los Angeles memorial service.

Jon Scoffield was producer/director on This Is Tom Jones, the show that made Tom a truly international star.

Graham Smith has been instrumental in Tom's British TV successes over the last 15 years. He was the producer on The Last Resort with Jonathan Ross, Tom's 1992 TV series The Right Time, and 1999's An Audience with Tom Jones.