A spectrum can be constituted-of-or-filled-with political thought.
A spectrum can be constituted-of-or-filled-with (research interests).
A spectrum can be constituted-of-or-filled-with (health research).
A spectrum can be constituted-of-or-filled-with scientific opinion.
A broad spectrum can be constituted-of-or-filled-with pursuits.
A spectrum can be constituted-of-or-filled-with (software developers).
A spectrum can be constituted-of-or-filled-with (career options).