Can anyone identify all the speakers?

My attempt:

#1 Bill Atkinson

#2 Randy Wigginton

#3 Steve Jobs

[Audience Member asks about sound]

#4 Burrell Smith

#5 Andy Hertzfeld

[Steve prompts for question, Audience Member]

# Steve Jobs

#6 Owen Densmore (talking about print system)

# Steve Jobs

[Audience member asks about assembler]

[Audience member asks about communication with 8bit machines]