at the cutting edge

At the forefront of technological developments or advancements. The new company I work for is at the cutting edge of medical science. I think some of their new instruments are going to revolutionize the field of medicine.

at/on the cutting edge

in the area of a subject or activity where the most recent changes and developments are happening (often + of ) New, young, Italian designers are at the cutting edge of fashion.

Common Names:

Name	Pronounced	Usage
Havel	-	Czech, Slovak
Leeba	-	Yiddish
RiČArdas	-	Lithuanian
İLker	-	Turkish
Ijsbrand	-	Dutch
Nanook	-	Native American, Inuit