A reagent used to produce an ingrain color by its action upon some substance on the fiber.
A film developer; a person who uses chemicals to create photographs from photograph negatives.
A software developer; a person or company who creates or modifies computer software.
A real estate developer; a person or company who prepares a parcel of land for sale, or creates structures on that land.
A person or entity engaged in the creation or improvement of certain classes of products.
A liquid used in the chemical processing of traditional photos.
A set of nerves which stimulate the heart to beat.
One who sets the pace in a race, to guide the others.
A medical implement that is used to stimulate a heart to beat by simulating the action of the natural pacemaker.