Acknowledgements
================
    
:ref:`O2scl <o2scl>`

Thank you to Jerry Gagelman and Edwin van Leeuwen who 
contributed to ...

The developers would like to thank the creators of GSL and Doxygen
for their excellent work.

Thanks also to Julien Garaud for contributing the ODE multishooting
class and for the ``ex_hydrogen`` example, to Marco Cammarata for
contributing towards the :ref:`smooth_gsl <smooth_gsl>` class, and to
David Zaslavsky for his interpolation routines which formed the basis
for :ref:`interp2_direct <interp2_direct>` .