Carl was one of the early members of Society of Designers for Industry and he asked me to design a letterhead for him when he was just starting out from his rented home in Mosman.
He later became one the most known industrial designers in Sydney and eventually became a Professor at UNSW (?) One of his most publicised designs was the Café-Bar.
He later became a council member of the IDCA and we met up again at its meetings.