This is John on summit of Mount Cook in 1991 ,only three weeks before the top ten metres of the peak fell off

The ski equipped Cessna that flew us to Vinson Base camp, near base camp , Antarctica 1990.In the background is Mount Gardener [left] and Mount Tyree [right]

1991. The summit rocks on Mount Cook . Despite their name they are about 300 metres [1,000 ] feet below the summit of the mountain.

This is John on the summit of Vinson Massif on 24th December 1990. Vinson Massif is the highest mountain in Antarctica.

The D.C.6. on the ice near Patriot Hills , Antarctica 1990.

This is John on the summit of Mount Tasman 1992. Mount Tasman is New Zealand's second highest mountain. In the background is Mount Cook.

Lukla ,Nepal 1993. The beginning of our walk in to Everest Base camp.

Dani porter wearing a penis gourd and carrying a pack during the walk in to Carstenz base camp in 1992. Carstenz is in Irian Jaya. It is the highest peak in the world that is on an island and not on a continent. I reached its summit.

Khumbu Icefall , taken from Everest Base camp in 1993. The first part of the route th the summit goes up the Khumbu Icefall.

Jim Allen [left] and members of the Dani tribe near the village of Illaga , Irian Jaya. 1992 Carstenz expedition.

This is John on the summit of Carstenz Pyramid ,Irian Jaya, Indonesia. 1992.Carstenz is the highest mountain in the world that is on an island and not on a continent.

Camp on Kemabu Plateau near Carstenz Pyramid , Irian Jaya ,Indonesia ,1992.

High camp ,Vinson Massif ,Antarctica 1990. Altitude 3,650 metres[12,000 feet] latitude 79 degrees south

John's tent at Everest base camp 1993

This is John climbing a ladder in the Khumbu Icefall, Mount Everest 1993

This is John crossing a ladder in the Khumbu Icefall , Mount Everest ,1993.

Patriot Hills , Latitude 81 degrees south, Antarctica , December 1990.