Acknowledgements

Main contributors (in alphabetical order): - Mark Hindmarsh

• Creator of the Sound Shell Model, author of the first versions of PTtools (2015 →)

• Chloe Hopling - Several scripts used for testing

• Mika Mäki - University of Helsinki summer employee 2021, MSc student 2022-2024, PhD student 2025→ - Major rework of PTtools, current main developer

In addition to the main contributors, the following people have contributed to the development of PTtools (in alphabetical order):

• Mudhahir Al-Ajmi

• Danny Bail - Sussex MPhys RP projects 2016-2018

• Daniel Cutting - Plotting script for solution types

• Beth Gould - University of Sussex MPhys project 2015-2016

• Nicola Hopkins - University of Sussex PhD project 2013-2016

• Mulham Hijazi

• Jacky Lindsay - University of Sussex MPhys project 2017-2018

• Mike Soughton - MPhys project 2017-2018

The development of PTtools has been funded by

• University of Helsinki

• University of Sussex

• Academy of Finland grants 286769, 333609 and 363676

• Science and Technology Facilities Council grants ST/J000477/1, ST/L000504/1, ST/X000796/1