The phrase "a clear contributor" is correct and usable in written English.
It can be used to describe someone or something that plays a significant and understandable role in a particular outcome or situation.
Example: "Her research was a clear contributor to the success of the project, providing valuable insights and data."
Alternatives: "a significant factor" or "an evident contributor".
One clear contributor to the impact factor is from the field of plant genomics, a paper by Christopher Town and colleagues (Complete reannotation of the Arabidopsis genome: methods, tools, protocols and the final release) [ 4] that has been cited over 50 times and is the most highly cited article published in BMC Biology.
A new study released Thursday shows that employees and political action committees of brokerages, banks and credit companies make up 6 of President Bush's top 10 career contributors, a clear indicator of his increasing support from the financial sector.
With 1 %, Indonesia was the third largest Asian contributor, with a clear focus on the sector of "oil seeds," i.e., palm oil.
Nevertheless, the number of collaborators among actual contributors (collaborator ratio) shows a clear tendency to increase: while during the first seven years it was (often markedly) below 15%%, during the recent three years over a third of contributors have collaborated.
In addition, there is a clear difference between exploring contaminants as potential contributors to ADHD risk as opposed to causing ADHD.
CNN contributor and former Reagan campaign director Ed Rollins has a clear message to Sarah Palin: "You're no Reagan".
The laws against anonymity for big political contributors are clear and they exist for a clear reason: the public is entitled to know who may be buying access to those who rule the land.
5 Above all, there is a clear association between diabetes and cardiovascular disease and stroke, both major contributors to complications of community acquired pneumonia.
The high-profile effort has warned away many contributors from signing on with Mr. Romney or Mr. Perry until they have a clear sense of the field.
Along with this investigation, a qualitative understanding of the remaining profiles could help create a clearer and richer picture of contributor behavior in Q&A systems.
