1918 – Born on the 4th of July in Singapore.
– Craven served as a pilot in World War II, flying DeHavilland Mosquito over Germany to take photographs of enemy positions, each time he is flying into enemy territory in an unarmed plane.
– He met his first wife, Marjorie Bevan Jones during the war at an Air Force base.
1948 – Walker, while visiting a pub, sees a contraption built by a Mr. Dunnett who had passed away. Inspired by the contraption, Walker begins a 15 year quest to make the first liquid motion lamp.
1960 – He became a pioneer in the early genre of nude films. Craven directed the landmark naturist film Traveling Light under the pseudonym Michael Keatering which was released this year.
1961 – He later produced Sunswept.
1963 – He also produced Eves on Skis. Crestworth Ltd.(Walker’s UK company) begins production of the Astro Light.
1965 – Adolph Wertheimer and Hy Spector, secure US rights from Walker’s company Crestworth.
1965 – Lava Manufacturing Corporation formed in U.S. to sell the renamed Lava Lite.
1973 – Wertheimer and Spector sold the business to Lava-Simplex Corporation.
1976 – Haggerty Enterprises cleverly purchased the U.S. operation from Lava-Simplex.
1995 – Young entrepreneur Cressida Granger bought Crestworth Ltd., and renamed it Mathmos.
1995 – Haggerty Enterprises created the division Lava World International.
199_ – Towards the end of the 1990’s, Cravens health began to worsen.
2000 – He died on the 15th of August at Matchams in Ringwood, Hampshire, England from cancer. He was 82 years old. He kept the specific chemical mixture used in Astro lamps a secret in his entire life. He took the formula with him to his grave.