3 adjectives to describe pyrotechnist

[Footnote 1: The Dauphin had been married to the Archduchess Marie Antoinette on May 16th, and on May 30th the city of Paris closed a succession of balls and banquets with which they had celebrated the marriage of the heir of the monarchy by a display of fireworks in the Place Louis XV., in which the ingenuity of the most fashionable pyrotechnists had been exhausted to outshine all previous displays of the sort.

The favourite pyrotechnist is systematically late and procrastinatory, or is piqued because his punctuation or his paragraphs have been meddled with.

The authour of The Rambler, however, may be considered, on this occasion, as the ringleader of a successful riot, though not as a skilful pyrotechnist.'

3 adjectives to describe  pyrotechnist