7.40 Fertilisation and Implantation

8.5 Socrates

8.30 Foundation Maths: Calculus

8.55 Adolf Loos

9.20 Accountants and Economists

9.45 Secular Music of the Renaissance

10.10 Pure Maths: Rings

10.35 Maths: Lebesgue Integral

11.0 Principles of Organic Synthesis

11.25 Concrete

11.50 The Digital Computer

12.15 Nursery Education: Oxford

12.40 Perception

1.5 Schrodinger's Wave Equation

1.30 Kant and Causality

starring
Tyrone Power , Orson Welles Cecile Aubry , Jack Hawkins
In the 13th century, two English-men undertake the long and perilous journey to China in the foot-steps of Marco Polo to discover the legendary secrets of the mysterious East.
Director henry HATHAWAY
This Week's Films: page 13

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REX MAIDMENT Sound recordist FRANK GRAY Film editor IAN HAMILTON
Producer and director jack WATSON Series co-ordinator FRANK GILLARD

from the novel by FREDERIC MULLALLY : dramatised in five parts by JACK PULMAN starring with Keith Drinkel Part 2
Dick Holt - boyhood friend of Frank Clancy - has committed suicide. Shocked by the news, Frank has withdrawn and looks back over their young lives ... searching for a reason.
Title song by BRIAN WADE and TONY OLIFF Script editor LENNOX PHILLIPS Designer GEOFFREY PATTERSON Producer RICHARD BEYNON Director BILL HAYS
(For cast list see Thursday 8.10 pm)

on behalf of the National Referendum Campaign
(Details as BBC1)

Another chance to see the first of seven films written and presented by David Attenborough 1: Behind the Mask
The remote Dogon country in Central Mali still retains much of the mystery and magic of ancient Africa. It is one of the last places left on earth where it is possible to see not only how tribal carvings are made but why they are made and what part they play in ritual life. Tonight's film sets out to cross the barrier that so often conceals the meaning of tribal art from the European eye.
Film cameraman JOHN HOOPER Film editor PAM BOSWORTH Director DAVID COLLISON

presented by Julian Pettifer Olivier Todd , Jim Lehrer
The news of the fall of Saigon reached Hanoi at 9.30 on the morning before May Day. Immediately, the posters came out
' You are always marching with us Uncle Ho.' For the communist north, the spirit of Uncle Ho -"Ho Chi Minh - had finally come marching home. The end of the 'Trail' lay in Saigon. But at what cost?
In the 21 years since the fall of the French at Dien Bien Phu , probably three million Vietnamese have died - together, of course, with soldiers from America, Australia and Korea.
JULIAN PETTIFER, himself a veteran of many of the actions of the war in South Vietnam, charts the course of the battles, of the major political events, and of the lives of the men, women and children caught up in a civil war of ideologies many of them probably never understood.
OLIVIER TODD , the French reporter and author, who met the communist leaders in the north on his trips to Hanoi, reports upon the war as seen from the North
. JIM LEHRER , an American TV commentator, gives the American dimension along the way to the End of the Ho Chi Minh Trail.
Research YANINE THOMASON Studio director TAM FRY Producer JACK SALTMAN Editor
MICHAEL TOWNSON Vietnam: the Principals: page 4

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In his film round-up Tony Bilbow reviews the French director Claude Lelouch 's latest film And Now My Love and a new Australian movie Barry McKenzie Holds his Own.
Philip Jenkinson recalls vintage stars Clara Bow, Ida Lupino , Ruby Keeler and Anna May Wong , who are commemorated in an exhibition of prints and drawings now showing in London.
Producer BARRY BROWN
Philip Jenkmson : page 13

starring John Neville, Gabriella Licudi
Philip Stone , Patrick Newell
Top secret project TP 91 seems to be attracting most unwelcome attention from a mysterious source, but head scientist Mark Davidson is more worried by the strange behaviour of his beautiful newly-wed wife.
This Week's Films: page 13