knock
Bluelighter
I think Keirsey is an interpretation or modification of Myers Briggs that has Inventor, Architect etc.
Actually, I didn't think Keirsey, I thought "architect is another one" and searched for "inventor architect personality test"
The 4 Temperaments
Guardian
Supervisor (ESTJ)
Inspector (ISTJ)
Provider (ESFJ)
Protector (ISFJ)
Artisan
Promoter (ESTP)
Crafter (ISTP)
Performer (ESFP)
Composer (ISFP)
Idealist
Teacher (ENFJ)
Counselor (INFJ)
Champion (ENFP)
Healer (INFP)
Rational
Fieldmarshal (ENTJ)
Mastermind (INTJ)
Inventor (ENTP)
Architect (INTP)
Actually, I didn't think Keirsey, I thought "architect is another one" and searched for "inventor architect personality test"

The 4 Temperaments
Guardian
Supervisor (ESTJ)
Inspector (ISTJ)
Provider (ESFJ)
Protector (ISFJ)
Artisan
Promoter (ESTP)
Crafter (ISTP)
Performer (ESFP)
Composer (ISFP)
Idealist
Teacher (ENFJ)
Counselor (INFJ)
Champion (ENFP)
Healer (INFP)
Rational
Fieldmarshal (ENTJ)
Mastermind (INTJ)
Inventor (ENTP)
Architect (INTP)

