How to Say "originator" in Spanish
The Spanish word for “originator” is “fundador” — B1 level. This is a very common word in everyday Spanish.

Examples
Steve Jobs fue el fundador de Apple.
Steve Jobs was the founder of Apple.
Los fundadores de la ciudad construyeron la primera iglesia.
The founders of the city built the first church.
El fundador de este movimiento artístico quería cambiar el mundo.
The founder of this artistic movement wanted to change the world.
Making it Feminine
To talk about a female founder, change the word to 'fundadora'. Most Spanish naming words ending in -dor change to -dora for women.
Plural Forms
When talking about a group of founders (even if only one is a man), use the plural 'fundadores'.
Don't confuse with 'melt'
Mistake: “Thinking 'fundador' means someone who melts metal.”
Correction: While 'fundir' can mean to melt, a 'fundador' in standard Spanish almost always refers to someone starting a business or group. Someone who melts metal is usually a 'fundidor'.
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