A "first race of the season" F1 quiz...?

May be...

Here Goes.....

1. Hakkinen 1999 (Retired)
2. Alfa, Talbot-Lago, ERA, Maserati & Alta
3. 2001?? 5 Debutants
Burti
Montoya
Raikkonen
Alonso
Bernoldi
4.1966
5. Twice (63 & 64)
6. 4 Times (84,85,87 &88)
7. Sakhir, Bahrain
8. Adolfo J Schwelm Cruz (28.06.1923)

There is some difficulty on question 8 as some sites do not realise that some of the drivers are dead. If Cruz has died then NO-ONE IS STILL ALIVE!

All the answers are to do with the first race of seasons gone by...
1. When was the last time that the driver who would finish the year as champion failed to score at the first GP of the year?
2. Which constructors were represented at the first ever GP in 1950?
3. Not counting the first race in 1950, the first GP of which season had the most debutants entered?
4. When was the last time that the Monaco GP was the first on the calendar?
5. Graham Hill won at Monaco 5 times...how many of those times was it the first race of the season?
6. Alain Prost won in Brazil 6 times...how many of those times was it the first race of the season?
7. What was the most recent circuit to stage the first race of the season for the first time?
8. And a hard one to finish...Five drivers made their debut in Argentina in 1953; who is the oldest living one of the five?