In the case of composite colour, an infinity of systems must be obtained for maxima infinitely slight and with an infinity of interval values separat…

- Gabriel Lippmann

The series of photographic operations, developing, washing, final drying, takes about quarter of an hour.

- Gabriel Lippmann

[On the Gaussian curve, remarked to Poincaré:] Experimentalists think that it is a mathematical theorem while the mathematicians believe it to be an …

- Gabriel Lippmann

The problem of direct colour photography has been facing us since the turn of the last century.

- Gabriel Lippmann

Life is short and progress is slow

- Gabriel Lippmann

When the shot is afterwards subjected to white light, colour appears because of selective reflection.

- Gabriel Lippmann

I got quite good results from protein plates.

- Gabriel Lippmann

Most of these pictures, taken while travelling, were developed on the mantelpiece of a hotel room, which proves that the method is easy enough to car…

- Gabriel Lippmann