6.25 Biological Control
6.50 Aluminium in Lynemouth
7.15 Computing: Simplex Method
7.40 Potsdam 4: The Aftermath
8.5 Literacy in Jamaica
8.30 Contrasts in Musical Language
8.55 Machine Tools: Control
9.20 The Promised Land: A Postscript, 1
9.45 Statistics: Lines, Before and After
10.10 Maths: Complex Integration
10.35 Personality and Learning
11.0 Inquiry: Colour
11.25 Thermodynamics in Action
11.50 Computing: Top Down Design
12.15 Special Needs in Education
12.40 The Happiest Days of Your Life
1.5 Pure Maths: Continuity
1.30 Wittgenstein: The Quest for Meaning
1.55 Complex Human Ecosystems: 2
2.20 Music: Harmony
2.45 Modem Art: Kirchner

King Vidor's film version of Tolstoy's monumental masterpiece starring
Henry Fonda
Audrey Hepburn , Mel Ferrer
A fascinating blend of superbly orchestrated action sequences, authoritative direction and powerful acting performances distinguishes this international production. Henry Fonda and Audrey Hepburn head the cast, Jack Cardiff and Aldo Tonti were responsible for the fine photography and seemingly the entire Italian army don French uniforms for the spectacular and moving retreat from Moscow.
Screenplay by BRIDGET BOLAND
ROBERT WESTERBY , KING VIDOR , MARIO CAMERINI ENNIO DE CONCINI and IVO PERILU based on the novel by LEO TOLSTOY
Produced by DINO DE LAURENTUS
Directed by KING VIDOR
Films: page 14

A story of two bicycle frames, one mass-produced, the other hand-crafted for the enthusiast. What can they tell us about engineering design?
Producer PHIL ASHBY
A BBC/Open University production

with Jan Leeming
Weather

The Embassy
World Professional Snooker Championship from the Crucible Theatre, Sheffield
Eighth day
After TERRY GRIFFITHS 'S sensational debut at the Crucible in 1979 when he won the world title, he has found success in this championship elusive. Tonight his hopes for a place in this year's quarter-finals lie in his 25-frame second-round match against BILL WERBENIUK.
DAVID VINE introduces live coverage of tonight's 9-frame session, and has news of this afternoon's second-round matches that should have featured
ALEX HIGGINS v DOUG MOUNTJOY and KIRK STEVENS v DAVID TAYLOR

The John Player Cup Final Bristol v Bath
Cup holders Bristol, led by MIKE RAFTER who also led Gloucestershire to the last two county championship titles, take on Bath in a final which emphasises the domination of south-west rugby this season.
NIGEL STARMER-SMITH commentates and brings news of the Schweppes Welsh Cup Final: CARDIFF v NEATH.
Series producer HUW JONES

by DON TAYLOR
starring
John Douglas , a retired bookseller, seems on the face of it an upright, impressive human being. But when a stranger arrives claiming to be his son, questions are asked which threaten to expose him as a traitor to his former comrades-in-arms as well as his family. Could he also have been an accomplice to political murder? In this political thriller, written in modern dramatic verse, Don Taylor probes into the ideals and betrayals of Communism.
Lighting JOHN SUMMERS. Designer COLIN SHAW
Script editor STUART GRIFFITHS
Producer LOUIS MARKS
Directed by DON TAYLOR
0 FEATURE: page 11

Weather

The Embassy
World Professional Snooker Championship from the Crucible Theatre, Sheffield
TERRY GRIFFITHS v BILL WERBENIUK was expected to be the second-round match to be concluded this evening, two of snooker's heavyweights fighting for a quarter-final place - with Bill Werbeniuk seeded to go through.
JIMMY WHITE - January's youngest Master-should also be putting in an appearance against EDDIE CHARLTON , the indestructible Australian, in a match of considerable contrasts on the adjacent table, as their 25-frame match begins.
DAVID VINE has all today's facts and figures at his fingertips and introduces the best of the frames.